Home / 559,872,001.70-839,808,002.55-508,811,675.30

Finding the Fourth Proportional to 559,872,001.70, 839,808,002.55 and 508,811,675.30

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Solution

The fourth proportional to 559,872,001.70, 839,808,002.55 and 508,811,675.30 is: 763,217,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,001.70 : 839,808,002.55 = 508,811,675.30 : x
  2. Step 2: Convert to fraction form
    559,872,001.70/839,808,002.55 = 508,811,675.30/x
  3. Step 3: Cross multiply
    559,872,001.70x = 839,808,002.55 × 508,811,675.30
  4. Step 4: Simplify right side
    559,872,001.70x = 427,304,116,707,812,160
  5. Step 5: Solve for x
    x = 427,304,116,707,812,160/559,872,001.70
  6. Step 6: Final answer
    x = 763,217,512.95

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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.