Home / 545,231,777.40-817,847,666.10-327,553,543.80

Finding the Fourth Proportional to 545,231,777.40, 817,847,666.10 and 327,553,543.80

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Solution

The fourth proportional to 545,231,777.40, 817,847,666.10 and 327,553,543.80 is: 491,330,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,231,777.40 : 817,847,666.10 = 327,553,543.80 : x
  2. Step 2: Convert to fraction form
    545,231,777.40/817,847,666.10 = 327,553,543.80/x
  3. Step 3: Cross multiply
    545,231,777.40x = 817,847,666.10 × 327,553,543.80
  4. Step 4: Simplify right side
    545,231,777.40x = 267,888,901,319,614,144
  5. Step 5: Solve for x
    x = 267,888,901,319,614,144/545,231,777.40
  6. Step 6: Final answer
    x = 491,330,315.70

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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.