Home / 527,128,332.94-727,435,844.26-288,973,094.41

Finding the Fourth Proportional to 527,128,332.94, 727,435,844.26 and 288,973,094.41

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Solution

The fourth proportional to 527,128,332.94, 727,435,844.26 and 288,973,094.41 is: 398,782,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,128,332.94 : 727,435,844.26 = 288,973,094.41 : x
  2. Step 2: Convert to fraction form
    527,128,332.94/727,435,844.26 = 288,973,094.41/x
  3. Step 3: Cross multiply
    527,128,332.94x = 727,435,844.26 × 288,973,094.41
  4. Step 4: Simplify right side
    527,128,332.94x = 210,209,386,900,563,040
  5. Step 5: Solve for x
    x = 210,209,386,900,563,040/527,128,332.94
  6. Step 6: Final answer
    x = 398,782,182.18

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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.