Home / 426,100,805.80-588,425,220.32-402,887,129.36

Finding the Fourth Proportional to 426,100,805.80, 588,425,220.32 and 402,887,129.36

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Solution

The fourth proportional to 426,100,805.80, 588,425,220.32 and 402,887,129.36 is: 556,368,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,100,805.80 : 588,425,220.32 = 402,887,129.36 : x
  2. Step 2: Convert to fraction form
    426,100,805.80/588,425,220.32 = 402,887,129.36/x
  3. Step 3: Cross multiply
    426,100,805.80x = 588,425,220.32 × 402,887,129.36
  4. Step 4: Simplify right side
    426,100,805.80x = 237,068,947,857,750,368
  5. Step 5: Solve for x
    x = 237,068,947,857,750,368/426,100,805.80
  6. Step 6: Final answer
    x = 556,368,222.33

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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.