Home / 467,542,510.56-645,209,420.40-258,707,455.20

Finding the Fourth Proportional to 467,542,510.56, 645,209,420.40 and 258,707,455.20

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Solution

The fourth proportional to 467,542,510.56, 645,209,420.40 and 258,707,455.20 is: 357,016,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,542,510.56 : 645,209,420.40 = 258,707,455.20 : x
  2. Step 2: Convert to fraction form
    467,542,510.56/645,209,420.40 = 258,707,455.20/x
  3. Step 3: Cross multiply
    467,542,510.56x = 645,209,420.40 × 258,707,455.20
  4. Step 4: Simplify right side
    467,542,510.56x = 166,920,487,222,750,944
  5. Step 5: Solve for x
    x = 166,920,487,222,750,944/467,542,510.56
  6. Step 6: Final answer
    x = 357,016,706.40

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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.