Home / 625,426,698.60-938,147,270.40-188,731,165.32

Finding the Fourth Proportional to 625,426,698.60, 938,147,270.40 and 188,731,165.32

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Solution

The fourth proportional to 625,426,698.60, 938,147,270.40 and 188,731,165.32 is: 283,098,927.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,426,698.60 : 938,147,270.40 = 188,731,165.32 : x
  2. Step 2: Convert to fraction form
    625,426,698.60/938,147,270.40 = 188,731,165.32/x
  3. Step 3: Cross multiply
    625,426,698.60x = 938,147,270.40 × 188,731,165.32
  4. Step 4: Simplify right side
    625,426,698.60x = 177,057,627,584,369,120
  5. Step 5: Solve for x
    x = 177,057,627,584,369,120/625,426,698.60
  6. Step 6: Final answer
    x = 283,098,927.47

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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.