Home / 935,963,038.40-1,403,944,557.60-663,865,246.40

Finding the Fourth Proportional to 935,963,038.40, 1,403,944,557.60 and 663,865,246.40

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Solution

The fourth proportional to 935,963,038.40, 1,403,944,557.60 and 663,865,246.40 is: 995,797,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,963,038.40 : 1,403,944,557.60 = 663,865,246.40 : x
  2. Step 2: Convert to fraction form
    935,963,038.40/1,403,944,557.60 = 663,865,246.40/x
  3. Step 3: Cross multiply
    935,963,038.40x = 1,403,944,557.60 × 663,865,246.40
  4. Step 4: Simplify right side
    935,963,038.40x = 932,029,999,663,062,912
  5. Step 5: Solve for x
    x = 932,029,999,663,062,912/935,963,038.40
  6. Step 6: Final answer
    x = 995,797,869.60

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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.