Home / 458,902,410.24-688,352,755.08-143,792,563.80

Finding the Fourth Proportional to 458,902,410.24, 688,352,755.08 and 143,792,563.80

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Solution

The fourth proportional to 458,902,410.24, 688,352,755.08 and 143,792,563.80 is: 215,688,576.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,902,410.24 : 688,352,755.08 = 143,792,563.80 : x
  2. Step 2: Convert to fraction form
    458,902,410.24/688,352,755.08 = 143,792,563.80/x
  3. Step 3: Cross multiply
    458,902,410.24x = 688,352,755.08 × 143,792,563.80
  4. Step 4: Simplify right side
    458,902,410.24x = 98,980,007,451,746,688
  5. Step 5: Solve for x
    x = 98,980,007,451,746,688/458,902,410.24
  6. Step 6: Final answer
    x = 215,688,576.14

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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.