Home / 293,675,437.20-440,513,155.80-245,899,693.20

Finding the Fourth Proportional to 293,675,437.20, 440,513,155.80 and 245,899,693.20

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Solution

The fourth proportional to 293,675,437.20, 440,513,155.80 and 245,899,693.20 is: 368,849,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,675,437.20 : 440,513,155.80 = 245,899,693.20 : x
  2. Step 2: Convert to fraction form
    293,675,437.20/440,513,155.80 = 245,899,693.20/x
  3. Step 3: Cross multiply
    293,675,437.20x = 440,513,155.80 × 245,899,693.20
  4. Step 4: Simplify right side
    293,675,437.20x = 108,322,049,861,783,792
  5. Step 5: Solve for x
    x = 108,322,049,861,783,792/293,675,437.20
  6. Step 6: Final answer
    x = 368,849,539.80

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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.