Home / 478,553,676.30-717,830,514.45-409,678,922.70

Finding the Fourth Proportional to 478,553,676.30, 717,830,514.45 and 409,678,922.70

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Solution

The fourth proportional to 478,553,676.30, 717,830,514.45 and 409,678,922.70 is: 614,518,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,553,676.30 : 717,830,514.45 = 409,678,922.70 : x
  2. Step 2: Convert to fraction form
    478,553,676.30/717,830,514.45 = 409,678,922.70/x
  3. Step 3: Cross multiply
    478,553,676.30x = 717,830,514.45 × 409,678,922.70
  4. Step 4: Simplify right side
    478,553,676.30x = 294,080,031,841,062,784
  5. Step 5: Solve for x
    x = 294,080,031,841,062,784/478,553,676.30
  6. Step 6: Final answer
    x = 614,518,384.05

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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.