Home / 266,465,777.40-399,698,666.10-205,924,951.80

Finding the Fourth Proportional to 266,465,777.40, 399,698,666.10 and 205,924,951.80

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Solution

The fourth proportional to 266,465,777.40, 399,698,666.10 and 205,924,951.80 is: 308,887,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,465,777.40 : 399,698,666.10 = 205,924,951.80 : x
  2. Step 2: Convert to fraction form
    266,465,777.40/399,698,666.10 = 205,924,951.80/x
  3. Step 3: Cross multiply
    266,465,777.40x = 399,698,666.10 × 205,924,951.80
  4. Step 4: Simplify right side
    266,465,777.40x = 82,307,928,551,166,800
  5. Step 5: Solve for x
    x = 82,307,928,551,166,800/266,465,777.40
  6. Step 6: Final answer
    x = 308,887,427.70

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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.