Home / 1,513,434,602.76-2,088,538,828.02-818,073,578.76

Finding the Fourth Proportional to 1,513,434,602.76, 2,088,538,828.02 and 818,073,578.76

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Solution

The fourth proportional to 1,513,434,602.76, 2,088,538,828.02 and 818,073,578.76 is: 1,128,941,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,434,602.76 : 2,088,538,828.02 = 818,073,578.76 : x
  2. Step 2: Convert to fraction form
    1,513,434,602.76/2,088,538,828.02 = 818,073,578.76/x
  3. Step 3: Cross multiply
    1,513,434,602.76x = 2,088,538,828.02 × 818,073,578.76
  4. Step 4: Simplify right side
    1,513,434,602.76x = 1,708,578,433,417,537,536
  5. Step 5: Solve for x
    x = 1,708,578,433,417,537,536/1,513,434,602.76
  6. Step 6: Final answer
    x = 1,128,941,039.34

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Half scale
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Double scale
Find fourth proportional to 1,513,434,603.76, 2,088,538,829.40 and 818,073,579.76
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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.