Home / 454,439,916.80-681,659,875.20-346,944,492.80

Finding the Fourth Proportional to 454,439,916.80, 681,659,875.20 and 346,944,492.80

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Solution

The fourth proportional to 454,439,916.80, 681,659,875.20 and 346,944,492.80 is: 520,416,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,439,916.80 : 681,659,875.20 = 346,944,492.80 : x
  2. Step 2: Convert to fraction form
    454,439,916.80/681,659,875.20 = 346,944,492.80/x
  3. Step 3: Cross multiply
    454,439,916.80x = 681,659,875.20 × 346,944,492.80
  4. Step 4: Simplify right side
    454,439,916.80x = 236,498,139,663,375,328
  5. Step 5: Solve for x
    x = 236,498,139,663,375,328/454,439,916.80
  6. Step 6: Final answer
    x = 520,416,739.20

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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.