Home / 1,485,444,520.42-2,049,959,581.71-816,377,425.62

Finding the Fourth Proportional to 1,485,444,520.42, 2,049,959,581.71 and 816,377,425.62

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Solution

The fourth proportional to 1,485,444,520.42, 2,049,959,581.71 and 816,377,425.62 is: 1,126,626,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,444,520.42 : 2,049,959,581.71 = 816,377,425.62 : x
  2. Step 2: Convert to fraction form
    1,485,444,520.42/2,049,959,581.71 = 816,377,425.62/x
  3. Step 3: Cross multiply
    1,485,444,520.42x = 2,049,959,581.71 × 816,377,425.62
  4. Step 4: Simplify right side
    1,485,444,520.42x = 1,673,540,725,941,461,760
  5. Step 5: Solve for x
    x = 1,673,540,725,941,461,760/1,485,444,520.42
  6. Step 6: Final answer
    x = 1,126,626,207.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.