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Finding the Fourth Proportional to 1,299,229,737.65, 1,948,959,171.30 and 366,560,745.65

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Solution

The fourth proportional to 1,299,229,737.65, 1,948,959,171.30 and 366,560,745.65 is: 549,873,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,229,737.65 : 1,948,959,171.30 = 366,560,745.65 : x
  2. Step 2: Convert to fraction form
    1,299,229,737.65/1,948,959,171.30 = 366,560,745.65/x
  3. Step 3: Cross multiply
    1,299,229,737.65x = 1,948,959,171.30 × 366,560,745.65
  4. Step 4: Simplify right side
    1,299,229,737.65x = 714,411,927,073,133,952
  5. Step 5: Solve for x
    x = 714,411,927,073,133,952/1,299,229,737.65
  6. Step 6: Final answer
    x = 549,873,441.45

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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.