Home / 1,259,208,031.80-1,888,812,047.70-741,106,630.20

Finding the Fourth Proportional to 1,259,208,031.80, 1,888,812,047.70 and 741,106,630.20

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Solution

The fourth proportional to 1,259,208,031.80, 1,888,812,047.70 and 741,106,630.20 is: 1,111,659,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,208,031.80 : 1,888,812,047.70 = 741,106,630.20 : x
  2. Step 2: Convert to fraction form
    1,259,208,031.80/1,888,812,047.70 = 741,106,630.20/x
  3. Step 3: Cross multiply
    1,259,208,031.80x = 1,888,812,047.70 × 741,106,630.20
  4. Step 4: Simplify right side
    1,259,208,031.80x = 1,399,811,131,752,108,800
  5. Step 5: Solve for x
    x = 1,399,811,131,752,108,800/1,259,208,031.80
  6. Step 6: Final answer
    x = 1,111,659,945.30

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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.