Home / 278,341,901.48-384,944,177.58-243,474,064.76

Finding the Fourth Proportional to 278,341,901.48, 384,944,177.58 and 243,474,064.76

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Solution

The fourth proportional to 278,341,901.48, 384,944,177.58 and 243,474,064.76 is: 336,722,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,341,901.48 : 384,944,177.58 = 243,474,064.76 : x
  2. Step 2: Convert to fraction form
    278,341,901.48/384,944,177.58 = 243,474,064.76/x
  3. Step 3: Cross multiply
    278,341,901.48x = 384,944,177.58 × 243,474,064.76
  4. Step 4: Simplify right side
    278,341,901.48x = 93,723,923,621,097,856
  5. Step 5: Solve for x
    x = 93,723,923,621,097,856/278,341,901.48
  6. Step 6: Final answer
    x = 336,722,294.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.