Home / 537,857,685.15-742,224,010.03-299,690,564.19

Finding the Fourth Proportional to 537,857,685.15, 742,224,010.03 and 299,690,564.19

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Solution

The fourth proportional to 537,857,685.15, 742,224,010.03 and 299,690,564.19 is: 413,562,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,857,685.15 : 742,224,010.03 = 299,690,564.19 : x
  2. Step 2: Convert to fraction form
    537,857,685.15/742,224,010.03 = 299,690,564.19/x
  3. Step 3: Cross multiply
    537,857,685.15x = 742,224,010.03 × 299,690,564.19
  4. Step 4: Simplify right side
    537,857,685.15x = 222,437,532,321,254,912
  5. Step 5: Solve for x
    x = 222,437,532,321,254,912/537,857,685.15
  6. Step 6: Final answer
    x = 413,562,060.12

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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.