Home / 880,808,001.60-1,215,516,440.16-489,667,425.60

Finding the Fourth Proportional to 880,808,001.60, 1,215,516,440.16 and 489,667,425.60

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Solution

The fourth proportional to 880,808,001.60, 1,215,516,440.16 and 489,667,425.60 is: 675,741,824.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,808,001.60 : 1,215,516,440.16 = 489,667,425.60 : x
  2. Step 2: Convert to fraction form
    880,808,001.60/1,215,516,440.16 = 489,667,425.60/x
  3. Step 3: Cross multiply
    880,808,001.60x = 1,215,516,440.16 × 489,667,425.60
  4. Step 4: Simplify right side
    880,808,001.60x = 595,198,806,027,623,680
  5. Step 5: Solve for x
    x = 595,198,806,027,623,680/880,808,001.60
  6. Step 6: Final answer
    x = 675,741,824.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.