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Finding the Fourth Proportional to 283,572,403.80, 425,358,605.70 and 266,353,715.40

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Solution

The fourth proportional to 283,572,403.80, 425,358,605.70 and 266,353,715.40 is: 399,530,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,572,403.80 : 425,358,605.70 = 266,353,715.40 : x
  2. Step 2: Convert to fraction form
    283,572,403.80/425,358,605.70 = 266,353,715.40/x
  3. Step 3: Cross multiply
    283,572,403.80x = 425,358,605.70 × 266,353,715.40
  4. Step 4: Simplify right side
    283,572,403.80x = 113,295,845,005,558,624
  5. Step 5: Solve for x
    x = 113,295,845,005,558,624/283,572,403.80
  6. Step 6: Final answer
    x = 399,530,573.10

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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.