Home / 65,190,312,005.60-97,785,468,008.40-42,874,891,839.20

Finding the Fourth Proportional to 65,190,312,005.60, 97,785,468,008.40 and 42,874,891,839.20

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Solution

The fourth proportional to 65,190,312,005.60, 97,785,468,008.40 and 42,874,891,839.20 is: 64,312,337,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,312,005.60 : 97,785,468,008.40 = 42,874,891,839.20 : x
  2. Step 2: Convert to fraction form
    65,190,312,005.60/97,785,468,008.40 = 42,874,891,839.20/x
  3. Step 3: Cross multiply
    65,190,312,005.60x = 97,785,468,008.40 × 42,874,891,839.20
  4. Step 4: Simplify right side
    65,190,312,005.60x = 4,192,541,364,305,701,371,904
  5. Step 5: Solve for x
    x = 4,192,541,364,305,701,371,904/65,190,312,005.60
  6. Step 6: Final answer
    x = 64,312,337,758.80

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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.