Home / 839,952,020.70-1,259,928,031.05-517,017,851.10

Finding the Fourth Proportional to 839,952,020.70, 1,259,928,031.05 and 517,017,851.10

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Solution

The fourth proportional to 839,952,020.70, 1,259,928,031.05 and 517,017,851.10 is: 775,526,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,952,020.70 : 1,259,928,031.05 = 517,017,851.10 : x
  2. Step 2: Convert to fraction form
    839,952,020.70/1,259,928,031.05 = 517,017,851.10/x
  3. Step 3: Cross multiply
    839,952,020.70x = 1,259,928,031.05 × 517,017,851.10
  4. Step 4: Simplify right side
    839,952,020.70x = 651,405,283,154,125,056
  5. Step 5: Solve for x
    x = 651,405,283,154,125,056/839,952,020.70
  6. Step 6: Final answer
    x = 775,526,776.65

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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.