Home / 725,546,279.80-1,087,622,690.10-240,622,478.20

Finding the Fourth Proportional to 725,546,279.80, 1,087,622,690.10 and 240,622,478.20

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Solution

The fourth proportional to 725,546,279.80, 1,087,622,690.10 and 240,622,478.20 is: 360,702,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,546,279.80 : 1,087,622,690.10 = 240,622,478.20 : x
  2. Step 2: Convert to fraction form
    725,546,279.80/1,087,622,690.10 = 240,622,478.20/x
  3. Step 3: Cross multiply
    725,546,279.80x = 1,087,622,690.10 × 240,622,478.20
  4. Step 4: Simplify right side
    725,546,279.80x = 261,706,467,038,412,576
  5. Step 5: Solve for x
    x = 261,706,467,038,412,576/725,546,279.80
  6. Step 6: Final answer
    x = 360,702,651.68

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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.