Home / 438,759,269.10-658,127,319.84-127,952,664.12

Finding the Fourth Proportional to 438,759,269.10, 658,127,319.84 and 127,952,664.12

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Solution

The fourth proportional to 438,759,269.10, 658,127,319.84 and 127,952,664.12 is: 191,925,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,759,269.10 : 658,127,319.84 = 127,952,664.12 : x
  2. Step 2: Convert to fraction form
    438,759,269.10/658,127,319.84 = 127,952,664.12/x
  3. Step 3: Cross multiply
    438,759,269.10x = 658,127,319.84 × 127,952,664.12
  4. Step 4: Simplify right side
    438,759,269.10x = 84,209,143,903,683,344
  5. Step 5: Solve for x
    x = 84,209,143,903,683,344/438,759,269.10
  6. Step 6: Final answer
    x = 191,925,618.06

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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.