Home / 8,658,052,083.60-12,987,078,125.40-7,418,306,518.80

Finding the Fourth Proportional to 8,658,052,083.60, 12,987,078,125.40 and 7,418,306,518.80

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Solution

The fourth proportional to 8,658,052,083.60, 12,987,078,125.40 and 7,418,306,518.80 is: 11,127,459,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,052,083.60 : 12,987,078,125.40 = 7,418,306,518.80 : x
  2. Step 2: Convert to fraction form
    8,658,052,083.60/12,987,078,125.40 = 7,418,306,518.80/x
  3. Step 3: Cross multiply
    8,658,052,083.60x = 12,987,078,125.40 × 7,418,306,518.80
  4. Step 4: Simplify right side
    8,658,052,083.60x = 96,342,126,317,819,707,392
  5. Step 5: Solve for x
    x = 96,342,126,317,819,707,392/8,658,052,083.60
  6. Step 6: Final answer
    x = 11,127,459,778.20

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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.