Home / 800,947,110.90-1,201,420,666.35-744,826,941.30

Finding the Fourth Proportional to 800,947,110.90, 1,201,420,666.35 and 744,826,941.30

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Solution

The fourth proportional to 800,947,110.90, 1,201,420,666.35 and 744,826,941.30 is: 1,117,240,411.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,947,110.90 : 1,201,420,666.35 = 744,826,941.30 : x
  2. Step 2: Convert to fraction form
    800,947,110.90/1,201,420,666.35 = 744,826,941.30/x
  3. Step 3: Cross multiply
    800,947,110.90x = 1,201,420,666.35 × 744,826,941.30
  4. Step 4: Simplify right side
    800,947,110.90x = 894,850,480,132,078,208
  5. Step 5: Solve for x
    x = 894,850,480,132,078,208/800,947,110.90
  6. Step 6: Final answer
    x = 1,117,240,411.95

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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.