Home / 788,143,894.31-1,087,661,273.99-435,742,585.47

Finding the Fourth Proportional to 788,143,894.31, 1,087,661,273.99 and 435,742,585.47

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Solution

The fourth proportional to 788,143,894.31, 1,087,661,273.99 and 435,742,585.47 is: 601,337,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,143,894.31 : 1,087,661,273.99 = 435,742,585.47 : x
  2. Step 2: Convert to fraction form
    788,143,894.31/1,087,661,273.99 = 435,742,585.47/x
  3. Step 3: Cross multiply
    788,143,894.31x = 1,087,661,273.99 × 435,742,585.47
  4. Step 4: Simplify right side
    788,143,894.31x = 473,940,335,639,970,816
  5. Step 5: Solve for x
    x = 473,940,335,639,970,816/788,143,894.31
  6. Step 6: Final answer
    x = 601,337,318.05

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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.