Home / 356,941,200.65-492,626,964.92-200,316,902.04

Finding the Fourth Proportional to 356,941,200.65, 492,626,964.92 and 200,316,902.04

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Solution

The fourth proportional to 356,941,200.65, 492,626,964.92 and 200,316,902.04 is: 276,464,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,941,200.65 : 492,626,964.92 = 200,316,902.04 : x
  2. Step 2: Convert to fraction form
    356,941,200.65/492,626,964.92 = 200,316,902.04/x
  3. Step 3: Cross multiply
    356,941,200.65x = 492,626,964.92 × 200,316,902.04
  4. Step 4: Simplify right side
    356,941,200.65x = 98,681,507,473,140,576
  5. Step 5: Solve for x
    x = 98,681,507,473,140,576/356,941,200.65
  6. Step 6: Final answer
    x = 276,464,323.24

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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.