Home / 625,515,803.60-938,609,628.60-262,046,901.20

Finding the Fourth Proportional to 625,515,803.60, 938,609,628.60 and 262,046,901.20

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Solution

The fourth proportional to 625,515,803.60, 938,609,628.60 and 262,046,901.20 is: 393,211,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,515,803.60 : 938,609,628.60 = 262,046,901.20 : x
  2. Step 2: Convert to fraction form
    625,515,803.60/938,609,628.60 = 262,046,901.20/x
  3. Step 3: Cross multiply
    625,515,803.60x = 938,609,628.60 × 262,046,901.20
  4. Step 4: Simplify right side
    625,515,803.60x = 245,959,744,611,112,896
  5. Step 5: Solve for x
    x = 245,959,744,611,112,896/625,515,803.60
  6. Step 6: Final answer
    x = 393,211,079.87

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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.