Home / 559,876,727.20-839,815,090.80-508,816,400.80

Finding the Fourth Proportional to 559,876,727.20, 839,815,090.80 and 508,816,400.80

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Solution

The fourth proportional to 559,876,727.20, 839,815,090.80 and 508,816,400.80 is: 763,224,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,876,727.20 : 839,815,090.80 = 508,816,400.80 : x
  2. Step 2: Convert to fraction form
    559,876,727.20/839,815,090.80 = 508,816,400.80/x
  3. Step 3: Cross multiply
    559,876,727.20x = 839,815,090.80 × 508,816,400.80
  4. Step 4: Simplify right side
    559,876,727.20x = 427,311,691,838,381,184
  5. Step 5: Solve for x
    x = 427,311,691,838,381,184/559,876,727.20
  6. Step 6: Final answer
    x = 763,224,601.20

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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.