Home / 580,651,816.40-870,959,062.20-192,492,558.80

Finding the Fourth Proportional to 580,651,816.40, 870,959,062.20 and 192,492,558.80

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Solution

The fourth proportional to 580,651,816.40, 870,959,062.20 and 192,492,558.80 is: 288,732,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,651,816.40 : 870,959,062.20 = 192,492,558.80 : x
  2. Step 2: Convert to fraction form
    580,651,816.40/870,959,062.20 = 192,492,558.80/x
  3. Step 3: Cross multiply
    580,651,816.40x = 870,959,062.20 × 192,492,558.80
  4. Step 4: Simplify right side
    580,651,816.40x = 167,653,138,492,926,368
  5. Step 5: Solve for x
    x = 167,653,138,492,926,368/580,651,816.40
  6. Step 6: Final answer
    x = 288,732,651.41

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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.