Home / 527,150,746.28-727,452,263.81-288,987,785.37

Finding the Fourth Proportional to 527,150,746.28, 727,452,263.81 and 288,987,785.37

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Solution

The fourth proportional to 527,150,746.28, 727,452,263.81 and 288,987,785.37 is: 398,794,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,150,746.28 : 727,452,263.81 = 288,987,785.37 : x
  2. Step 2: Convert to fraction form
    527,150,746.28/727,452,263.81 = 288,987,785.37/x
  3. Step 3: Cross multiply
    527,150,746.28x = 727,452,263.81 × 288,987,785.37
  4. Step 4: Simplify right side
    527,150,746.28x = 210,224,818,681,567,360
  5. Step 5: Solve for x
    x = 210,224,818,681,567,360/527,150,746.28
  6. Step 6: Final answer
    x = 398,794,500.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.