Home / 488,351,011.20-732,526,516.80-181,579,646.40

Finding the Fourth Proportional to 488,351,011.20, 732,526,516.80 and 181,579,646.40

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Solution

The fourth proportional to 488,351,011.20, 732,526,516.80 and 181,579,646.40 is: 272,369,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,351,011.20 : 732,526,516.80 = 181,579,646.40 : x
  2. Step 2: Convert to fraction form
    488,351,011.20/732,526,516.80 = 181,579,646.40/x
  3. Step 3: Cross multiply
    488,351,011.20x = 732,526,516.80 × 181,579,646.40
  4. Step 4: Simplify right side
    488,351,011.20x = 133,011,905,899,167,648
  5. Step 5: Solve for x
    x = 133,011,905,899,167,648/488,351,011.20
  6. Step 6: Final answer
    x = 272,369,469.60

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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.