Home / 268,620,199.60-402,930,299.40-262,648,231.60

Finding the Fourth Proportional to 268,620,199.60, 402,930,299.40 and 262,648,231.60

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Solution

The fourth proportional to 268,620,199.60, 402,930,299.40 and 262,648,231.60 is: 393,972,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,620,199.60 : 402,930,299.40 = 262,648,231.60 : x
  2. Step 2: Convert to fraction form
    268,620,199.60/402,930,299.40 = 262,648,231.60/x
  3. Step 3: Cross multiply
    268,620,199.60x = 402,930,299.40 × 262,648,231.60
  4. Step 4: Simplify right side
    268,620,199.60x = 105,828,930,595,468,528
  5. Step 5: Solve for x
    x = 105,828,930,595,468,528/268,620,199.60
  6. Step 6: Final answer
    x = 393,972,347.40

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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.