Home / 458,902,409.24-688,352,753.58-143,792,562.80

Finding the Fourth Proportional to 458,902,409.24, 688,352,753.58 and 143,792,562.80

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Solution

The fourth proportional to 458,902,409.24, 688,352,753.58 and 143,792,562.80 is: 215,688,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,902,409.24 : 688,352,753.58 = 143,792,562.80 : x
  2. Step 2: Convert to fraction form
    458,902,409.24/688,352,753.58 = 143,792,562.80/x
  3. Step 3: Cross multiply
    458,902,409.24x = 688,352,753.58 × 143,792,562.80
  4. Step 4: Simplify right side
    458,902,409.24x = 98,980,006,548,886,736
  5. Step 5: Solve for x
    x = 98,980,006,548,886,736/458,902,409.24
  6. Step 6: Final answer
    x = 215,688,574.64

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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.