Home / 65,190,312,006.60-97,785,468,009.90-42,874,891,840.20

Finding the Fourth Proportional to 65,190,312,006.60, 97,785,468,009.90 and 42,874,891,840.20

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Solution

The fourth proportional to 65,190,312,006.60, 97,785,468,009.90 and 42,874,891,840.20 is: 64,312,337,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,312,006.60 : 97,785,468,009.90 = 42,874,891,840.20 : x
  2. Step 2: Convert to fraction form
    65,190,312,006.60/97,785,468,009.90 = 42,874,891,840.20/x
  3. Step 3: Cross multiply
    65,190,312,006.60x = 97,785,468,009.90 × 42,874,891,840.20
  4. Step 4: Simplify right side
    65,190,312,006.60x = 4,192,541,364,467,799,162,880
  5. Step 5: Solve for x
    x = 4,192,541,364,467,799,162,880/65,190,312,006.60
  6. Step 6: Final answer
    x = 64,312,337,760.30

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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.