Home / 898,680,074.20-1,348,020,111.30-798,351,011.80

Finding the Fourth Proportional to 898,680,074.20, 1,348,020,111.30 and 798,351,011.80

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Solution

The fourth proportional to 898,680,074.20, 1,348,020,111.30 and 798,351,011.80 is: 1,197,526,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,680,074.20 : 1,348,020,111.30 = 798,351,011.80 : x
  2. Step 2: Convert to fraction form
    898,680,074.20/1,348,020,111.30 = 798,351,011.80/x
  3. Step 3: Cross multiply
    898,680,074.20x = 1,348,020,111.30 × 798,351,011.80
  4. Step 4: Simplify right side
    898,680,074.20x = 1,076,193,219,783,103,488
  5. Step 5: Solve for x
    x = 1,076,193,219,783,103,488/898,680,074.20
  6. Step 6: Final answer
    x = 1,197,526,517.70

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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.