Home / 266,423,595.77-399,630,861.10-79,677,965.77

Finding the Fourth Proportional to 266,423,595.77, 399,630,861.10 and 79,677,965.77

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Solution

The fourth proportional to 266,423,595.77, 399,630,861.10 and 79,677,965.77 is: 119,515,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,423,595.77 : 399,630,861.10 = 79,677,965.77 : x
  2. Step 2: Convert to fraction form
    266,423,595.77/399,630,861.10 = 79,677,965.77/x
  3. Step 3: Cross multiply
    266,423,595.77x = 399,630,861.10 × 79,677,965.77
  4. Step 4: Simplify right side
    266,423,595.77x = 31,841,774,071,361,424
  5. Step 5: Solve for x
    x = 31,841,774,071,361,424/266,423,595.77
  6. Step 6: Final answer
    x = 119,515,593.13

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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.