Home / 1,115,701,039.32-1,673,034,407.78-416,005,306.47

Finding the Fourth Proportional to 1,115,701,039.32, 1,673,034,407.78 and 416,005,306.47

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Solution

The fourth proportional to 1,115,701,039.32, 1,673,034,407.78 and 416,005,306.47 is: 623,815,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,701,039.32 : 1,673,034,407.78 = 416,005,306.47 : x
  2. Step 2: Convert to fraction form
    1,115,701,039.32/1,673,034,407.78 = 416,005,306.47/x
  3. Step 3: Cross multiply
    1,115,701,039.32x = 1,673,034,407.78 × 416,005,306.47
  4. Step 4: Simplify right side
    1,115,701,039.32x = 695,991,191,543,373,952
  5. Step 5: Solve for x
    x = 695,991,191,543,373,952/1,115,701,039.32
  6. Step 6: Final answer
    x = 623,815,132.38

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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.