Home / 15,656,495,253.39-21,605,966,600.00-8,615,964,885.39

Finding the Fourth Proportional to 15,656,495,253.39, 21,605,966,600.00 and 8,615,964,885.39

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Solution

The fourth proportional to 15,656,495,253.39, 21,605,966,600.00 and 8,615,964,885.39 is: 11,890,033,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656,495,253.39 : 21,605,966,600.00 = 8,615,964,885.39 : x
  2. Step 2: Convert to fraction form
    15,656,495,253.39/21,605,966,600.00 = 8,615,964,885.39/x
  3. Step 3: Cross multiply
    15,656,495,253.39x = 21,605,966,600.00 × 8,615,964,885.39
  4. Step 4: Simplify right side
    15,656,495,253.39x = 186,156,249,540,466,081,792
  5. Step 5: Solve for x
    x = 186,156,249,540,466,081,792/15,656,495,253.39
  6. Step 6: Final answer
    x = 11,890,033,275.50

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Double scale
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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.