Home / 663,554,272.40-995,331,408.60-649,398,496.40

Finding the Fourth Proportional to 663,554,272.40, 995,331,408.60 and 649,398,496.40

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Solution

The fourth proportional to 663,554,272.40, 995,331,408.60 and 649,398,496.40 is: 974,097,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,554,272.40 : 995,331,408.60 = 649,398,496.40 : x
  2. Step 2: Convert to fraction form
    663,554,272.40/995,331,408.60 = 649,398,496.40/x
  3. Step 3: Cross multiply
    663,554,272.40x = 995,331,408.60 × 649,398,496.40
  4. Step 4: Simplify right side
    663,554,272.40x = 646,366,720,164,534,016
  5. Step 5: Solve for x
    x = 646,366,720,164,534,016/663,554,272.40
  6. Step 6: Final answer
    x = 974,097,744.60

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Double scale
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Similar ratio
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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.