Home / 1,377,671,147.70-2,066,506,721.55-503,982,143.70

Finding the Fourth Proportional to 1,377,671,147.70, 2,066,506,721.55 and 503,982,143.70

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Solution

The fourth proportional to 1,377,671,147.70, 2,066,506,721.55 and 503,982,143.70 is: 755,973,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,671,147.70 : 2,066,506,721.55 = 503,982,143.70 : x
  2. Step 2: Convert to fraction form
    1,377,671,147.70/2,066,506,721.55 = 503,982,143.70/x
  3. Step 3: Cross multiply
    1,377,671,147.70x = 2,066,506,721.55 × 503,982,143.70
  4. Step 4: Simplify right side
    1,377,671,147.70x = 1,041,482,487,497,227,904
  5. Step 5: Solve for x
    x = 1,041,482,487,497,227,904/1,377,671,147.70
  6. Step 6: Final answer
    x = 755,973,215.55

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Double scale
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1.5x scale

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.