Home / 1,002,734,725-1,383,778,934.22-626,609,719.21

Finding the Fourth Proportional to 1,002,734,725, 1,383,778,934.22 and 626,609,719.21

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Solution

The fourth proportional to 1,002,734,725, 1,383,778,934.22 and 626,609,719.21 is: 864,724,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,734,725 : 1,383,778,934.22 = 626,609,719.21 : x
  2. Step 2: Convert to fraction form
    1,002,734,725/1,383,778,934.22 = 626,609,719.21/x
  3. Step 3: Cross multiply
    1,002,734,725x = 1,383,778,934.22 × 626,609,719.21
  4. Step 4: Simplify right side
    1,002,734,725x = 867,089,329,420,307,328
  5. Step 5: Solve for x
    x = 867,089,329,420,307,328/1,002,734,725
  6. Step 6: Final answer
    x = 864,724,545.59

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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.