Home / 1,259,712,077.80-1,889,568,116.70-1,152,573,572.20

Finding the Fourth Proportional to 1,259,712,077.80, 1,889,568,116.70 and 1,152,573,572.20

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Solution

The fourth proportional to 1,259,712,077.80, 1,889,568,116.70 and 1,152,573,572.20 is: 1,728,860,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,712,077.80 : 1,889,568,116.70 = 1,152,573,572.20 : x
  2. Step 2: Convert to fraction form
    1,259,712,077.80/1,889,568,116.70 = 1,152,573,572.20/x
  3. Step 3: Cross multiply
    1,259,712,077.80x = 1,889,568,116.70 × 1,152,573,572.20
  4. Step 4: Simplify right side
    1,259,712,077.80x = 2,177,866,274,180,145,664
  5. Step 5: Solve for x
    x = 2,177,866,274,180,145,664/1,259,712,077.80
  6. Step 6: Final answer
    x = 1,728,860,358.30

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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.