Home / 886,234,926.47-1,328,164,125.17-689,735,616.66

Finding the Fourth Proportional to 886,234,926.47, 1,328,164,125.17 and 689,735,616.66

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Solution

The fourth proportional to 886,234,926.47, 1,328,164,125.17 and 689,735,616.66 is: 1,033,678,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,234,926.47 : 1,328,164,125.17 = 689,735,616.66 : x
  2. Step 2: Convert to fraction form
    886,234,926.47/1,328,164,125.17 = 689,735,616.66/x
  3. Step 3: Cross multiply
    886,234,926.47x = 1,328,164,125.17 × 689,735,616.66
  4. Step 4: Simplify right side
    886,234,926.47x = 916,082,101,896,370,688
  5. Step 5: Solve for x
    x = 916,082,101,896,370,688/886,234,926.47
  6. Step 6: Final answer
    x = 1,033,678,626.90

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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.