Home / 906,873,870.60-1,251,350,961.98-510,373,213.76

Finding the Fourth Proportional to 906,873,870.60, 1,251,350,961.98 and 510,373,213.76

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Solution

The fourth proportional to 906,873,870.60, 1,251,350,961.98 and 510,373,213.76 is: 704,239,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,873,870.60 : 1,251,350,961.98 = 510,373,213.76 : x
  2. Step 2: Convert to fraction form
    906,873,870.60/1,251,350,961.98 = 510,373,213.76/x
  3. Step 3: Cross multiply
    906,873,870.60x = 1,251,350,961.98 × 510,373,213.76
  4. Step 4: Simplify right side
    906,873,870.60x = 638,656,012,007,976,576
  5. Step 5: Solve for x
    x = 638,656,012,007,976,576/906,873,870.60
  6. Step 6: Final answer
    x = 704,239,070.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.