Home / 8,510,046,957.96-11,746,998,609.78-5,123,113,673.16

Finding the Fourth Proportional to 8,510,046,957.96, 11,746,998,609.78 and 5,123,113,673.16

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Solution

The fourth proportional to 8,510,046,957.96, 11,746,998,609.78 and 5,123,113,673.16 is: 7,071,783,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,046,957.96 : 11,746,998,609.78 = 5,123,113,673.16 : x
  2. Step 2: Convert to fraction form
    8,510,046,957.96/11,746,998,609.78 = 5,123,113,673.16/x
  3. Step 3: Cross multiply
    8,510,046,957.96x = 11,746,998,609.78 × 5,123,113,673.16
  4. Step 4: Simplify right side
    8,510,046,957.96x = 60,181,209,196,355,428,352
  5. Step 5: Solve for x
    x = 60,181,209,196,355,428,352/8,510,046,957.96
  6. Step 6: Final answer
    x = 7,071,783,445.34

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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.