Home / 426,100,797.80-588,425,209.28-402,887,121.36

Finding the Fourth Proportional to 426,100,797.80, 588,425,209.28 and 402,887,121.36

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Solution

The fourth proportional to 426,100,797.80, 588,425,209.28 and 402,887,121.36 is: 556,368,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,100,797.80 : 588,425,209.28 = 402,887,121.36 : x
  2. Step 2: Convert to fraction form
    426,100,797.80/588,425,209.28 = 402,887,121.36/x
  3. Step 3: Cross multiply
    426,100,797.80x = 588,425,209.28 × 402,887,121.36
  4. Step 4: Simplify right side
    426,100,797.80x = 237,068,938,702,474,752
  5. Step 5: Solve for x
    x = 237,068,938,702,474,752/426,100,797.80
  6. Step 6: Final answer
    x = 556,368,211.29

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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.