Home / 1,327,660,288.80-1,991,490,433.20-715,440,256.80

Finding the Fourth Proportional to 1,327,660,288.80, 1,991,490,433.20 and 715,440,256.80

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Solution

The fourth proportional to 1,327,660,288.80, 1,991,490,433.20 and 715,440,256.80 is: 1,073,160,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,660,288.80 : 1,991,490,433.20 = 715,440,256.80 : x
  2. Step 2: Convert to fraction form
    1,327,660,288.80/1,991,490,433.20 = 715,440,256.80/x
  3. Step 3: Cross multiply
    1,327,660,288.80x = 1,991,490,433.20 × 715,440,256.80
  4. Step 4: Simplify right side
    1,327,660,288.80x = 1,424,792,426,943,351,296
  5. Step 5: Solve for x
    x = 1,424,792,426,943,351,296/1,327,660,288.80
  6. Step 6: Final answer
    x = 1,073,160,385.20

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Double scale
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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.