Home / 663,554,277.40-995,331,416.10-649,398,501.40

Finding the Fourth Proportional to 663,554,277.40, 995,331,416.10 and 649,398,501.40

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Solution

The fourth proportional to 663,554,277.40, 995,331,416.10 and 649,398,501.40 is: 974,097,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,554,277.40 : 995,331,416.10 = 649,398,501.40 : x
  2. Step 2: Convert to fraction form
    663,554,277.40/995,331,416.10 = 649,398,501.40/x
  3. Step 3: Cross multiply
    663,554,277.40x = 995,331,416.10 × 649,398,501.40
  4. Step 4: Simplify right side
    663,554,277.40x = 646,366,730,011,679,872
  5. Step 5: Solve for x
    x = 646,366,730,011,679,872/663,554,277.40
  6. Step 6: Final answer
    x = 974,097,752.10

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Double scale
Find fourth proportional to 663,554,278.40, 995,331,417.60 and 649,398,502.40
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.