Home / 262,441,385.80-393,662,078.70-258,615,010.60

Finding the Fourth Proportional to 262,441,385.80, 393,662,078.70 and 258,615,010.60

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Solution

The fourth proportional to 262,441,385.80, 393,662,078.70 and 258,615,010.60 is: 387,922,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,441,385.80 : 393,662,078.70 = 258,615,010.60 : x
  2. Step 2: Convert to fraction form
    262,441,385.80/393,662,078.70 = 258,615,010.60/x
  3. Step 3: Cross multiply
    262,441,385.80x = 393,662,078.70 × 258,615,010.60
  4. Step 4: Simplify right side
    262,441,385.80x = 101,806,922,655,818,528
  5. Step 5: Solve for x
    x = 101,806,922,655,818,528/262,441,385.80
  6. Step 6: Final answer
    x = 387,922,515.90

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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.