Home / 1,065,694,805.12-1,598,651,831.46-402,267,641.24

Finding the Fourth Proportional to 1,065,694,805.12, 1,598,651,831.46 and 402,267,641.24

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Solution

The fourth proportional to 1,065,694,805.12, 1,598,651,831.46 and 402,267,641.24 is: 603,442,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,694,805.12 : 1,598,651,831.46 = 402,267,641.24 : x
  2. Step 2: Convert to fraction form
    1,065,694,805.12/1,598,651,831.46 = 402,267,641.24/x
  3. Step 3: Cross multiply
    1,065,694,805.12x = 1,598,651,831.46 × 402,267,641.24
  4. Step 4: Simplify right side
    1,065,694,805.12x = 643,085,901,405,420,288
  5. Step 5: Solve for x
    x = 643,085,901,405,420,288/1,065,694,805.12
  6. Step 6: Final answer
    x = 603,442,841.53

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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.