Home / 12,950,466,387.40-19,425,699,581.10-7,440,486,099.40

Finding the Fourth Proportional to 12,950,466,387.40, 19,425,699,581.10 and 7,440,486,099.40

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Solution

The fourth proportional to 12,950,466,387.40, 19,425,699,581.10 and 7,440,486,099.40 is: 11,160,729,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,466,387.40 : 19,425,699,581.10 = 7,440,486,099.40 : x
  2. Step 2: Convert to fraction form
    12,950,466,387.40/19,425,699,581.10 = 7,440,486,099.40/x
  3. Step 3: Cross multiply
    12,950,466,387.40x = 19,425,699,581.10 × 7,440,486,099.40
  4. Step 4: Simplify right side
    12,950,466,387.40x = 144,536,647,704,294,932,480
  5. Step 5: Solve for x
    x = 144,536,647,704,294,932,480/12,950,466,387.40
  6. Step 6: Final answer
    x = 11,160,729,149.10

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Double scale
Find fourth proportional to 12,950,466,388.40, 19,425,699,582.60 and 7,440,486,100.40
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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.