Home / 674,842,354.90-930,907,548.63-392,553,017.14

Finding the Fourth Proportional to 674,842,354.90, 930,907,548.63 and 392,553,017.14

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Solution

The fourth proportional to 674,842,354.90, 930,907,548.63 and 392,553,017.14 is: 541,505,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,842,354.90 : 930,907,548.63 = 392,553,017.14 : x
  2. Step 2: Convert to fraction form
    674,842,354.90/930,907,548.63 = 392,553,017.14/x
  3. Step 3: Cross multiply
    674,842,354.90x = 930,907,548.63 × 392,553,017.14
  4. Step 4: Simplify right side
    674,842,354.90x = 365,430,566,893,472,256
  5. Step 5: Solve for x
    x = 365,430,566,893,472,256/674,842,354.90
  6. Step 6: Final answer
    x = 541,505,085.21

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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.