Home / 551,355,272.20-827,032,908.30-426,519,781.30

Finding the Fourth Proportional to 551,355,272.20, 827,032,908.30 and 426,519,781.30

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Solution

The fourth proportional to 551,355,272.20, 827,032,908.30 and 426,519,781.30 is: 639,779,671.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,355,272.20 : 827,032,908.30 = 426,519,781.30 : x
  2. Step 2: Convert to fraction form
    551,355,272.20/827,032,908.30 = 426,519,781.30/x
  3. Step 3: Cross multiply
    551,355,272.20x = 827,032,908.30 × 426,519,781.30
  4. Step 4: Simplify right side
    551,355,272.20x = 352,745,895,176,018,944
  5. Step 5: Solve for x
    x = 352,745,895,176,018,944/551,355,272.20
  6. Step 6: Final answer
    x = 639,779,671.95

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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.