Home / 961,402,831.56-1,442,060,911.92-400,933,868.04

Finding the Fourth Proportional to 961,402,831.56, 1,442,060,911.92 and 400,933,868.04

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Solution

The fourth proportional to 961,402,831.56, 1,442,060,911.92 and 400,933,868.04 is: 601,382,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,402,831.56 : 1,442,060,911.92 = 400,933,868.04 : x
  2. Step 2: Convert to fraction form
    961,402,831.56/1,442,060,911.92 = 400,933,868.04/x
  3. Step 3: Cross multiply
    961,402,831.56x = 1,442,060,911.92 × 400,933,868.04
  4. Step 4: Simplify right side
    961,402,831.56x = 578,171,059,365,375,360
  5. Step 5: Solve for x
    x = 578,171,059,365,375,360/961,402,831.56
  6. Step 6: Final answer
    x = 601,382,729.89

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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.