Home / 45,438,205,562.70-68,157,308,344.05-20,643,294,266.70

Finding the Fourth Proportional to 45,438,205,562.70, 68,157,308,344.05 and 20,643,294,266.70

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Solution

The fourth proportional to 45,438,205,562.70, 68,157,308,344.05 and 20,643,294,266.70 is: 30,964,941,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438,205,562.70 : 68,157,308,344.05 = 20,643,294,266.70 : x
  2. Step 2: Convert to fraction form
    45,438,205,562.70/68,157,308,344.05 = 20,643,294,266.70/x
  3. Step 3: Cross multiply
    45,438,205,562.70x = 68,157,308,344.05 × 20,643,294,266.70
  4. Step 4: Simplify right side
    45,438,205,562.70x = 1,406,991,372,572,431,482,880
  5. Step 5: Solve for x
    x = 1,406,991,372,572,431,482,880/45,438,205,562.70
  6. Step 6: Final answer
    x = 30,964,941,400.05

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Double scale
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Similar ratio
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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.