Home / 559,920,686.40-839,881,029.60-444,279,124.80

Finding the Fourth Proportional to 559,920,686.40, 839,881,029.60 and 444,279,124.80

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Solution

The fourth proportional to 559,920,686.40, 839,881,029.60 and 444,279,124.80 is: 666,418,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,920,686.40 : 839,881,029.60 = 444,279,124.80 : x
  2. Step 2: Convert to fraction form
    559,920,686.40/839,881,029.60 = 444,279,124.80/x
  3. Step 3: Cross multiply
    559,920,686.40x = 839,881,029.60 × 444,279,124.80
  4. Step 4: Simplify right side
    559,920,686.40x = 373,141,608,766,810,944
  5. Step 5: Solve for x
    x = 373,141,608,766,810,944/559,920,686.40
  6. Step 6: Final answer
    x = 666,418,687.20

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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.