Home / 1,513,434,591.01-2,088,538,811.81-818,073,567.01

Finding the Fourth Proportional to 1,513,434,591.01, 2,088,538,811.81 and 818,073,567.01

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Solution

The fourth proportional to 1,513,434,591.01, 2,088,538,811.81 and 818,073,567.01 is: 1,128,941,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,434,591.01 : 2,088,538,811.81 = 818,073,567.01 : x
  2. Step 2: Convert to fraction form
    1,513,434,591.01/2,088,538,811.81 = 818,073,567.01/x
  3. Step 3: Cross multiply
    1,513,434,591.01x = 2,088,538,811.81 × 818,073,567.01
  4. Step 4: Simplify right side
    1,513,434,591.01x = 1,708,578,395,616,233,728
  5. Step 5: Solve for x
    x = 1,708,578,395,616,233,728/1,513,434,591.01
  6. Step 6: Final answer
    x = 1,128,941,023.13

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Double scale
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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.