Home / 997,976,006.20-1,377,136,974.54-580,258,656.28

Finding the Fourth Proportional to 997,976,006.20, 1,377,136,974.54 and 580,258,656.28

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Solution

The fourth proportional to 997,976,006.20, 1,377,136,974.54 and 580,258,656.28 is: 800,716,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,976,006.20 : 1,377,136,974.54 = 580,258,656.28 : x
  2. Step 2: Convert to fraction form
    997,976,006.20/1,377,136,974.54 = 580,258,656.28/x
  3. Step 3: Cross multiply
    997,976,006.20x = 1,377,136,974.54 × 580,258,656.28
  4. Step 4: Simplify right side
    997,976,006.20x = 799,095,650,360,084,864
  5. Step 5: Solve for x
    x = 799,095,650,360,084,864/997,976,006.20
  6. Step 6: Final answer
    x = 800,716,295.18

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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.