Home / 1,451,280,781.05-2,176,113,556.13-861,310,762.17

Finding the Fourth Proportional to 1,451,280,781.05, 2,176,113,556.13 and 861,310,762.17

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Solution

The fourth proportional to 1,451,280,781.05, 2,176,113,556.13 and 861,310,762.17 is: 1,291,486,837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,280,781.05 : 2,176,113,556.13 = 861,310,762.17 : x
  2. Step 2: Convert to fraction form
    1,451,280,781.05/2,176,113,556.13 = 861,310,762.17/x
  3. Step 3: Cross multiply
    1,451,280,781.05x = 2,176,113,556.13 × 861,310,762.17
  4. Step 4: Simplify right side
    1,451,280,781.05x = 1,874,310,025,594,492,672
  5. Step 5: Solve for x
    x = 1,874,310,025,594,492,672/1,451,280,781.05
  6. Step 6: Final answer
    x = 1,291,486,837.05

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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.