Home / 471,764,639.92-707,646,960.60-144,240,154.16

Finding the Fourth Proportional to 471,764,639.92, 707,646,960.60 and 144,240,154.16

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Solution

The fourth proportional to 471,764,639.92, 707,646,960.60 and 144,240,154.16 is: 216,360,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,764,639.92 : 707,646,960.60 = 144,240,154.16 : x
  2. Step 2: Convert to fraction form
    471,764,639.92/707,646,960.60 = 144,240,154.16/x
  3. Step 3: Cross multiply
    471,764,639.92x = 707,646,960.60 × 144,240,154.16
  4. Step 4: Simplify right side
    471,764,639.92x = 102,071,106,687,799,440
  5. Step 5: Solve for x
    x = 102,071,106,687,799,440/471,764,639.92
  6. Step 6: Final answer
    x = 216,360,231.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.