Home / 559,960,456.80-839,940,685.20-457,923,784.80

Finding the Fourth Proportional to 559,960,456.80, 839,940,685.20 and 457,923,784.80

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Solution

The fourth proportional to 559,960,456.80, 839,940,685.20 and 457,923,784.80 is: 686,885,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,960,456.80 : 839,940,685.20 = 457,923,784.80 : x
  2. Step 2: Convert to fraction form
    559,960,456.80/839,940,685.20 = 457,923,784.80/x
  3. Step 3: Cross multiply
    559,960,456.80x = 839,940,685.20 × 457,923,784.80
  4. Step 4: Simplify right side
    559,960,456.80x = 384,628,817,574,289,408
  5. Step 5: Solve for x
    x = 384,628,817,574,289,408/559,960,456.80
  6. Step 6: Final answer
    x = 686,885,677.20

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Double scale
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Similar ratio
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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.