Home / 543,281,239.40-814,921,859.10-501,310,686.43

Finding the Fourth Proportional to 543,281,239.40, 814,921,859.10 and 501,310,686.43

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Solution

The fourth proportional to 543,281,239.40, 814,921,859.10 and 501,310,686.43 is: 751,966,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,281,239.40 : 814,921,859.10 = 501,310,686.43 : x
  2. Step 2: Convert to fraction form
    543,281,239.40/814,921,859.10 = 501,310,686.43/x
  3. Step 3: Cross multiply
    543,281,239.40x = 814,921,859.10 × 501,310,686.43
  4. Step 4: Simplify right side
    543,281,239.40x = 408,529,036,572,232,768
  5. Step 5: Solve for x
    x = 408,529,036,572,232,768/543,281,239.40
  6. Step 6: Final answer
    x = 751,966,029.65

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Double scale
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Similar ratio
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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.