Home / 498,750,176.40-688,296,499.56-278,733,595.92

Finding the Fourth Proportional to 498,750,176.40, 688,296,499.56 and 278,733,595.92

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Solution

The fourth proportional to 498,750,176.40, 688,296,499.56 and 278,733,595.92 is: 384,664,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,750,176.40 : 688,296,499.56 = 278,733,595.92 : x
  2. Step 2: Convert to fraction form
    498,750,176.40/688,296,499.56 = 278,733,595.92/x
  3. Step 3: Cross multiply
    498,750,176.40x = 688,296,499.56 × 278,733,595.92
  4. Step 4: Simplify right side
    498,750,176.40x = 191,851,358,381,507,488
  5. Step 5: Solve for x
    x = 191,851,358,381,507,488/498,750,176.40
  6. Step 6: Final answer
    x = 384,664,241.66

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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.