Home / 65,190,312,023.60-97,785,468,035.40-42,874,891,857.20

Finding the Fourth Proportional to 65,190,312,023.60, 97,785,468,035.40 and 42,874,891,857.20

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Solution

The fourth proportional to 65,190,312,023.60, 97,785,468,035.40 and 42,874,891,857.20 is: 64,312,337,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,312,023.60 : 97,785,468,035.40 = 42,874,891,857.20 : x
  2. Step 2: Convert to fraction form
    65,190,312,023.60/97,785,468,035.40 = 42,874,891,857.20/x
  3. Step 3: Cross multiply
    65,190,312,023.60x = 97,785,468,035.40 × 42,874,891,857.20
  4. Step 4: Simplify right side
    65,190,312,023.60x = 4,192,541,367,223,461,609,472
  5. Step 5: Solve for x
    x = 4,192,541,367,223,461,609,472/65,190,312,023.60
  6. Step 6: Final answer
    x = 64,312,337,785.80

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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.