Home / 249,659,319.60-374,488,979.40-219,426,231.60

Finding the Fourth Proportional to 249,659,319.60, 374,488,979.40 and 219,426,231.60

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Solution

The fourth proportional to 249,659,319.60, 374,488,979.40 and 219,426,231.60 is: 329,139,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,659,319.60 : 374,488,979.40 = 219,426,231.60 : x
  2. Step 2: Convert to fraction form
    249,659,319.60/374,488,979.40 = 219,426,231.60/x
  3. Step 3: Cross multiply
    249,659,319.60x = 374,488,979.40 × 219,426,231.60
  4. Step 4: Simplify right side
    249,659,319.60x = 82,172,705,525,472,016
  5. Step 5: Solve for x
    x = 82,172,705,525,472,016/249,659,319.60
  6. Step 6: Final answer
    x = 329,139,347.40

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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.