Home / 318,282,356.20-439,068,874.74-186,036,953.80

Finding the Fourth Proportional to 318,282,356.20, 439,068,874.74 and 186,036,953.80

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Solution

The fourth proportional to 318,282,356.20, 439,068,874.74 and 186,036,953.80 is: 256,637,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,282,356.20 : 439,068,874.74 = 186,036,953.80 : x
  2. Step 2: Convert to fraction form
    318,282,356.20/439,068,874.74 = 186,036,953.80/x
  3. Step 3: Cross multiply
    318,282,356.20x = 439,068,874.74 × 186,036,953.80
  4. Step 4: Simplify right side
    318,282,356.20x = 81,683,035,965,023,376
  5. Step 5: Solve for x
    x = 81,683,035,965,023,376/318,282,356.20
  6. Step 6: Final answer
    x = 256,637,021.73

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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.