Home / 918,399,500.52-1,377,599,354.46-373,141,403.88

Finding the Fourth Proportional to 918,399,500.52, 1,377,599,354.46 and 373,141,403.88

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Solution

The fourth proportional to 918,399,500.52, 1,377,599,354.46 and 373,141,403.88 is: 559,712,147.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,399,500.52 : 1,377,599,354.46 = 373,141,403.88 : x
  2. Step 2: Convert to fraction form
    918,399,500.52/1,377,599,354.46 = 373,141,403.88/x
  3. Step 3: Cross multiply
    918,399,500.52x = 1,377,599,354.46 × 373,141,403.88
  4. Step 4: Simplify right side
    918,399,500.52x = 514,039,357,107,386,176
  5. Step 5: Solve for x
    x = 514,039,357,107,386,176/918,399,500.52
  6. Step 6: Final answer
    x = 559,712,147.94

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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.