Home / 709,519,257.40-1,064,278,886.10-514,515,839.80

Finding the Fourth Proportional to 709,519,257.40, 1,064,278,886.10 and 514,515,839.80

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Solution

The fourth proportional to 709,519,257.40, 1,064,278,886.10 and 514,515,839.80 is: 771,773,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,519,257.40 : 1,064,278,886.10 = 514,515,839.80 : x
  2. Step 2: Convert to fraction form
    709,519,257.40/1,064,278,886.10 = 514,515,839.80/x
  3. Step 3: Cross multiply
    709,519,257.40x = 1,064,278,886.10 × 514,515,839.80
  4. Step 4: Simplify right side
    709,519,257.40x = 547,588,344,863,150,080
  5. Step 5: Solve for x
    x = 547,588,344,863,150,080/709,519,257.40
  6. Step 6: Final answer
    x = 771,773,759.70

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Double scale
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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.