Home / 295,248,020.70-442,872,031.05-278,526,510.30

Finding the Fourth Proportional to 295,248,020.70, 442,872,031.05 and 278,526,510.30

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Solution

The fourth proportional to 295,248,020.70, 442,872,031.05 and 278,526,510.30 is: 417,789,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,248,020.70 : 442,872,031.05 = 278,526,510.30 : x
  2. Step 2: Convert to fraction form
    295,248,020.70/442,872,031.05 = 278,526,510.30/x
  3. Step 3: Cross multiply
    295,248,020.70x = 442,872,031.05 × 278,526,510.30
  4. Step 4: Simplify right side
    295,248,020.70x = 123,351,601,317,829,760
  5. Step 5: Solve for x
    x = 123,351,601,317,829,760/295,248,020.70
  6. Step 6: Final answer
    x = 417,789,765.45

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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.