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Finding the Fourth Proportional to 1,679,616,223.80, 2,519,424,335.70 and 944,952,185.40

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Solution

The fourth proportional to 1,679,616,223.80, 2,519,424,335.70 and 944,952,185.40 is: 1,417,428,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,616,223.80 : 2,519,424,335.70 = 944,952,185.40 : x
  2. Step 2: Convert to fraction form
    1,679,616,223.80/2,519,424,335.70 = 944,952,185.40/x
  3. Step 3: Cross multiply
    1,679,616,223.80x = 2,519,424,335.70 × 944,952,185.40
  4. Step 4: Simplify right side
    1,679,616,223.80x = 2,380,735,531,969,657,856
  5. Step 5: Solve for x
    x = 2,380,735,531,969,657,856/1,679,616,223.80
  6. Step 6: Final answer
    x = 1,417,428,278.10

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1.5x scale

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.