Home / 1,149,696,618.40-1,724,544,927.60-331,835,600.80

Finding the Fourth Proportional to 1,149,696,618.40, 1,724,544,927.60 and 331,835,600.80

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Solution

The fourth proportional to 1,149,696,618.40, 1,724,544,927.60 and 331,835,600.80 is: 497,753,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,696,618.40 : 1,724,544,927.60 = 331,835,600.80 : x
  2. Step 2: Convert to fraction form
    1,149,696,618.40/1,724,544,927.60 = 331,835,600.80/x
  3. Step 3: Cross multiply
    1,149,696,618.40x = 1,724,544,927.60 × 331,835,600.80
  4. Step 4: Simplify right side
    1,149,696,618.40x = 572,265,402,156,738,496
  5. Step 5: Solve for x
    x = 572,265,402,156,738,496/1,149,696,618.40
  6. Step 6: Final answer
    x = 497,753,401.20

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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.