Home / 449,894,903.60-620,605,032.88-261,702,011.76

Finding the Fourth Proportional to 449,894,903.60, 620,605,032.88 and 261,702,011.76

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Solution

The fourth proportional to 449,894,903.60, 620,605,032.88 and 261,702,011.76 is: 361,003,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,894,903.60 : 620,605,032.88 = 261,702,011.76 : x
  2. Step 2: Convert to fraction form
    449,894,903.60/620,605,032.88 = 261,702,011.76/x
  3. Step 3: Cross multiply
    449,894,903.60x = 620,605,032.88 × 261,702,011.76
  4. Step 4: Simplify right side
    449,894,903.60x = 162,413,585,611,768,416
  5. Step 5: Solve for x
    x = 162,413,585,611,768,416/449,894,903.60
  6. Step 6: Final answer
    x = 361,003,390.60

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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.