Home / 403,708,574.92-557,118,077.46-218,069,672.62

Finding the Fourth Proportional to 403,708,574.92, 557,118,077.46 and 218,069,672.62

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Solution

The fourth proportional to 403,708,574.92, 557,118,077.46 and 218,069,672.62 is: 300,936,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,708,574.92 : 557,118,077.46 = 218,069,672.62 : x
  2. Step 2: Convert to fraction form
    403,708,574.92/557,118,077.46 = 218,069,672.62/x
  3. Step 3: Cross multiply
    403,708,574.92x = 557,118,077.46 × 218,069,672.62
  4. Step 4: Simplify right side
    403,708,574.92x = 121,490,556,762,386,016
  5. Step 5: Solve for x
    x = 121,490,556,762,386,016/403,708,574.92
  6. Step 6: Final answer
    x = 300,936,280.05

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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.