Home / 559,199,438.09-839,003,695.10-260,210,961.12

Finding the Fourth Proportional to 559,199,438.09, 839,003,695.10 and 260,210,961.12

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Solution

The fourth proportional to 559,199,438.09, 839,003,695.10 and 260,210,961.12 is: 390,411,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,199,438.09 : 839,003,695.10 = 260,210,961.12 : x
  2. Step 2: Convert to fraction form
    559,199,438.09/839,003,695.10 = 260,210,961.12/x
  3. Step 3: Cross multiply
    559,199,438.09x = 839,003,695.10 × 260,210,961.12
  4. Step 4: Simplify right side
    559,199,438.09x = 218,317,957,883,901,376
  5. Step 5: Solve for x
    x = 218,317,957,883,901,376/559,199,438.09
  6. Step 6: Final answer
    x = 390,411,618.85

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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.