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Finding the Fourth Proportional to 1,227,328,925.01, 1,693,713,851.73 and 662,813,752.30

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Solution

The fourth proportional to 1,227,328,925.01, 1,693,713,851.73 and 662,813,752.30 is: 914,682,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,328,925.01 : 1,693,713,851.73 = 662,813,752.30 : x
  2. Step 2: Convert to fraction form
    1,227,328,925.01/1,693,713,851.73 = 662,813,752.30/x
  3. Step 3: Cross multiply
    1,227,328,925.01x = 1,693,713,851.73 × 662,813,752.30
  4. Step 4: Simplify right side
    1,227,328,925.01x = 1,122,616,833,387,647,104
  5. Step 5: Solve for x
    x = 1,122,616,833,387,647,104/1,227,328,925.01
  6. Step 6: Final answer
    x = 914,682,943.19

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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.