Home / 886,233,752.78-1,328,162,359.10-689,734,444.19

Finding the Fourth Proportional to 886,233,752.78, 1,328,162,359.10 and 689,734,444.19

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Solution

The fourth proportional to 886,233,752.78, 1,328,162,359.10 and 689,734,444.19 is: 1,033,676,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,233,752.78 : 1,328,162,359.10 = 689,734,444.19 : x
  2. Step 2: Convert to fraction form
    886,233,752.78/1,328,162,359.10 = 689,734,444.19/x
  3. Step 3: Cross multiply
    886,233,752.78x = 1,328,162,359.10 × 689,734,444.19
  4. Step 4: Simplify right side
    886,233,752.78x = 916,079,326,537,828,096
  5. Step 5: Solve for x
    x = 916,079,326,537,828,096/886,233,752.78
  6. Step 6: Final answer
    x = 1,033,676,864.22

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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.