Home / 65,897,712,077.70-98,846,568,116.55-21,729,437,991.30

Finding the Fourth Proportional to 65,897,712,077.70, 98,846,568,116.55 and 21,729,437,991.30

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Solution

The fourth proportional to 65,897,712,077.70, 98,846,568,116.55 and 21,729,437,991.30 is: 32,594,156,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,897,712,077.70 : 98,846,568,116.55 = 21,729,437,991.30 : x
  2. Step 2: Convert to fraction form
    65,897,712,077.70/98,846,568,116.55 = 21,729,437,991.30/x
  3. Step 3: Cross multiply
    65,897,712,077.70x = 98,846,568,116.55 × 21,729,437,991.30
  4. Step 4: Simplify right side
    65,897,712,077.70x = 2,147,880,372,541,384,818,688
  5. Step 5: Solve for x
    x = 2,147,880,372,541,384,818,688/65,897,712,077.70
  6. Step 6: Final answer
    x = 32,594,156,986.95

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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.