Home / 935,963,123.40-1,403,944,685.10-663,865,331.40

Finding the Fourth Proportional to 935,963,123.40, 1,403,944,685.10 and 663,865,331.40

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Solution

The fourth proportional to 935,963,123.40, 1,403,944,685.10 and 663,865,331.40 is: 995,797,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,963,123.40 : 1,403,944,685.10 = 663,865,331.40 : x
  2. Step 2: Convert to fraction form
    935,963,123.40/1,403,944,685.10 = 663,865,331.40/x
  3. Step 3: Cross multiply
    935,963,123.40x = 1,403,944,685.10 × 663,865,331.40
  4. Step 4: Simplify right side
    935,963,123.40x = 932,030,203,641,180,032
  5. Step 5: Solve for x
    x = 932,030,203,641,180,032/935,963,123.40
  6. Step 6: Final answer
    x = 995,797,997.10

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Half scale
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Double scale
Find fourth proportional to 935,963,124.40, 1,403,944,686.60 and 663,865,332.40
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.