Home / 10,865,052,493.60-16,297,578,740.40-7,145,815,799.20

Finding the Fourth Proportional to 10,865,052,493.60, 16,297,578,740.40 and 7,145,815,799.20

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Solution

The fourth proportional to 10,865,052,493.60, 16,297,578,740.40 and 7,145,815,799.20 is: 10,718,723,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,052,493.60 : 16,297,578,740.40 = 7,145,815,799.20 : x
  2. Step 2: Convert to fraction form
    10,865,052,493.60/16,297,578,740.40 = 7,145,815,799.20/x
  3. Step 3: Cross multiply
    10,865,052,493.60x = 16,297,578,740.40 × 7,145,815,799.20
  4. Step 4: Simplify right side
    10,865,052,493.60x = 116,459,495,651,856,351,232
  5. Step 5: Solve for x
    x = 116,459,495,651,856,351,232/10,865,052,493.60
  6. Step 6: Final answer
    x = 10,718,723,698.80

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Double scale
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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.