Home / 402,570,065.28-603,787,831.26-111,466,614.51

Finding the Fourth Proportional to 402,570,065.28, 603,787,831.26 and 111,466,614.51

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Solution

The fourth proportional to 402,570,065.28, 603,787,831.26 and 111,466,614.51 is: 167,181,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,570,065.28 : 603,787,831.26 = 111,466,614.51 : x
  2. Step 2: Convert to fraction form
    402,570,065.28/603,787,831.26 = 111,466,614.51/x
  3. Step 3: Cross multiply
    402,570,065.28x = 603,787,831.26 × 111,466,614.51
  4. Step 4: Simplify right side
    402,570,065.28x = 67,302,185,432,887,352
  5. Step 5: Solve for x
    x = 67,302,185,432,887,352/402,570,065.28
  6. Step 6: Final answer
    x = 167,181,296.47

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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.