Home / 653,292,090.30-979,938,135.45-422,008,967.10

Finding the Fourth Proportional to 653,292,090.30, 979,938,135.45 and 422,008,967.10

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Solution

The fourth proportional to 653,292,090.30, 979,938,135.45 and 422,008,967.10 is: 633,013,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,292,090.30 : 979,938,135.45 = 422,008,967.10 : x
  2. Step 2: Convert to fraction form
    653,292,090.30/979,938,135.45 = 422,008,967.10/x
  3. Step 3: Cross multiply
    653,292,090.30x = 979,938,135.45 × 422,008,967.10
  4. Step 4: Simplify right side
    653,292,090.30x = 413,542,680,363,154,432
  5. Step 5: Solve for x
    x = 413,542,680,363,154,432/653,292,090.30
  6. Step 6: Final answer
    x = 633,013,450.65

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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.