Home / 8,258,375,793.60-12,387,563,690.40-7,431,878,750.40

Finding the Fourth Proportional to 8,258,375,793.60, 12,387,563,690.40 and 7,431,878,750.40

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Solution

The fourth proportional to 8,258,375,793.60, 12,387,563,690.40 and 7,431,878,750.40 is: 11,147,818,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258,375,793.60 : 12,387,563,690.40 = 7,431,878,750.40 : x
  2. Step 2: Convert to fraction form
    8,258,375,793.60/12,387,563,690.40 = 7,431,878,750.40/x
  3. Step 3: Cross multiply
    8,258,375,793.60x = 12,387,563,690.40 × 7,431,878,750.40
  4. Step 4: Simplify right side
    8,258,375,793.60x = 92,062,871,359,910,363,136
  5. Step 5: Solve for x
    x = 92,062,871,359,910,363,136/8,258,375,793.60
  6. Step 6: Final answer
    x = 11,147,818,125.60

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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.