Home / 12,754,604,958.40-19,131,907,437.60-8,591,508,740.80

Finding the Fourth Proportional to 12,754,604,958.40, 19,131,907,437.60 and 8,591,508,740.80

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Solution

The fourth proportional to 12,754,604,958.40, 19,131,907,437.60 and 8,591,508,740.80 is: 12,887,263,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,604,958.40 : 19,131,907,437.60 = 8,591,508,740.80 : x
  2. Step 2: Convert to fraction form
    12,754,604,958.40/19,131,907,437.60 = 8,591,508,740.80/x
  3. Step 3: Cross multiply
    12,754,604,958.40x = 19,131,907,437.60 × 8,591,508,740.80
  4. Step 4: Simplify right side
    12,754,604,958.40x = 164,371,949,978,316,898,304
  5. Step 5: Solve for x
    x = 164,371,949,978,316,898,304/12,754,604,958.40
  6. Step 6: Final answer
    x = 12,887,263,111.20

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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.