Home / 399,358,876.20-599,102,684.10-123,009,962.01

Finding the Fourth Proportional to 399,358,876.20, 599,102,684.10 and 123,009,962.01

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Solution

The fourth proportional to 399,358,876.20, 599,102,684.10 and 123,009,962.01 is: 184,534,770.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,358,876.20 : 599,102,684.10 = 123,009,962.01 : x
  2. Step 2: Convert to fraction form
    399,358,876.20/599,102,684.10 = 123,009,962.01/x
  3. Step 3: Cross multiply
    399,358,876.20x = 599,102,684.10 × 123,009,962.01
  4. Step 4: Simplify right side
    399,358,876.20x = 73,695,598,411,230,032
  5. Step 5: Solve for x
    x = 73,695,598,411,230,032/399,358,876.20
  6. Step 6: Final answer
    x = 184,534,770.11

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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.