Home / 313,480,672.60-470,722,925.40-249,318,029.20

Finding the Fourth Proportional to 313,480,672.60, 470,722,925.40 and 249,318,029.20

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Solution

The fourth proportional to 313,480,672.60, 470,722,925.40 and 249,318,029.20 is: 374,376,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,480,672.60 : 470,722,925.40 = 249,318,029.20 : x
  2. Step 2: Convert to fraction form
    313,480,672.60/470,722,925.40 = 249,318,029.20/x
  3. Step 3: Cross multiply
    313,480,672.60x = 470,722,925.40 × 249,318,029.20
  4. Step 4: Simplify right side
    313,480,672.60x = 117,359,712,059,986,608
  5. Step 5: Solve for x
    x = 117,359,712,059,986,608/313,480,672.60
  6. Step 6: Final answer
    x = 374,376,228.96

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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.