Home / 1,513,434,570.76-2,088,538,783.86-818,073,546.76

Finding the Fourth Proportional to 1,513,434,570.76, 2,088,538,783.86 and 818,073,546.76

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Solution

The fourth proportional to 1,513,434,570.76, 2,088,538,783.86 and 818,073,546.76 is: 1,128,940,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,434,570.76 : 2,088,538,783.86 = 818,073,546.76 : x
  2. Step 2: Convert to fraction form
    1,513,434,570.76/2,088,538,783.86 = 818,073,546.76/x
  3. Step 3: Cross multiply
    1,513,434,570.76x = 2,088,538,783.86 × 818,073,546.76
  4. Step 4: Simplify right side
    1,513,434,570.76x = 1,708,578,330,458,167,040
  5. Step 5: Solve for x
    x = 1,708,578,330,458,167,040/1,513,434,570.76
  6. Step 6: Final answer
    x = 1,128,940,995.18

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Half scale
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Double scale
Find fourth proportional to 1,513,434,571.76, 2,088,538,785.24 and 818,073,547.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.