Home / 709,519,233.90-1,064,278,850.85-514,515,816.30

Finding the Fourth Proportional to 709,519,233.90, 1,064,278,850.85 and 514,515,816.30

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Solution

The fourth proportional to 709,519,233.90, 1,064,278,850.85 and 514,515,816.30 is: 771,773,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,519,233.90 : 1,064,278,850.85 = 514,515,816.30 : x
  2. Step 2: Convert to fraction form
    709,519,233.90/1,064,278,850.85 = 514,515,816.30/x
  3. Step 3: Cross multiply
    709,519,233.90x = 1,064,278,850.85 × 514,515,816.30
  4. Step 4: Simplify right side
    709,519,233.90x = 547,588,301,715,913,728
  5. Step 5: Solve for x
    x = 547,588,301,715,913,728/709,519,233.90
  6. Step 6: Final answer
    x = 771,773,724.45

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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.