Home / 1,565,309,720.65-2,160,363,538.55-954,610,081.39

Finding the Fourth Proportional to 1,565,309,720.65, 2,160,363,538.55 and 954,610,081.39

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Solution

The fourth proportional to 1,565,309,720.65, 2,160,363,538.55 and 954,610,081.39 is: 1,317,505,913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,309,720.65 : 2,160,363,538.55 = 954,610,081.39 : x
  2. Step 2: Convert to fraction form
    1,565,309,720.65/2,160,363,538.55 = 954,610,081.39/x
  3. Step 3: Cross multiply
    1,565,309,720.65x = 2,160,363,538.55 × 954,610,081.39
  4. Step 4: Simplify right side
    1,565,309,720.65x = 2,062,304,813,368,703,488
  5. Step 5: Solve for x
    x = 2,062,304,813,368,703,488/1,565,309,720.65
  6. Step 6: Final answer
    x = 1,317,505,913.47

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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.