Home / 509,306,815.70-763,960,223.55-509,306,815.70

Finding the Fourth Proportional to 509,306,815.70, 763,960,223.55 and 509,306,815.70

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Solution

The fourth proportional to 509,306,815.70, 763,960,223.55 and 509,306,815.70 is: 763,960,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,306,815.70 : 763,960,223.55 = 509,306,815.70 : x
  2. Step 2: Convert to fraction form
    509,306,815.70/763,960,223.55 = 509,306,815.70/x
  3. Step 3: Cross multiply
    509,306,815.70x = 763,960,223.55 × 509,306,815.70
  4. Step 4: Simplify right side
    509,306,815.70x = 389,090,148,777,710,592
  5. Step 5: Solve for x
    x = 389,090,148,777,710,592/509,306,815.70
  6. Step 6: Final answer
    x = 763,960,223.55

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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.