Home / 886,468,265.40-1,329,702,398.10-519,136,246.20

Finding the Fourth Proportional to 886,468,265.40, 1,329,702,398.10 and 519,136,246.20

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Solution

The fourth proportional to 886,468,265.40, 1,329,702,398.10 and 519,136,246.20 is: 778,704,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,468,265.40 : 1,329,702,398.10 = 519,136,246.20 : x
  2. Step 2: Convert to fraction form
    886,468,265.40/1,329,702,398.10 = 519,136,246.20/x
  3. Step 3: Cross multiply
    886,468,265.40x = 1,329,702,398.10 × 519,136,246.20
  4. Step 4: Simplify right side
    886,468,265.40x = 690,296,711,512,771,968
  5. Step 5: Solve for x
    x = 690,296,711,512,771,968/886,468,265.40
  6. Step 6: Final answer
    x = 778,704,369.30

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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.