Home / 12,836,386,957.44-17,711,561,350.76-7,410,828,547.20

Finding the Fourth Proportional to 12,836,386,957.44, 17,711,561,350.76 and 7,410,828,547.20

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Solution

The fourth proportional to 12,836,386,957.44, 17,711,561,350.76 and 7,410,828,547.20 is: 10,225,411,940.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836,386,957.44 : 17,711,561,350.76 = 7,410,828,547.20 : x
  2. Step 2: Convert to fraction form
    12,836,386,957.44/17,711,561,350.76 = 7,410,828,547.20/x
  3. Step 3: Cross multiply
    12,836,386,957.44x = 17,711,561,350.76 × 7,410,828,547.20
  4. Step 4: Simplify right side
    12,836,386,957.44x = 131,257,344,473,696,387,072
  5. Step 5: Solve for x
    x = 131,257,344,473,696,387,072/12,836,386,957.44
  6. Step 6: Final answer
    x = 10,225,411,940.98

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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.