Home / 1,200,762,084.24-1,657,068,596.82-691,843,532.61

Finding the Fourth Proportional to 1,200,762,084.24, 1,657,068,596.82 and 691,843,532.61

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Solution

The fourth proportional to 1,200,762,084.24, 1,657,068,596.82 and 691,843,532.61 is: 954,753,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,762,084.24 : 1,657,068,596.82 = 691,843,532.61 : x
  2. Step 2: Convert to fraction form
    1,200,762,084.24/1,657,068,596.82 = 691,843,532.61/x
  3. Step 3: Cross multiply
    1,200,762,084.24x = 1,657,068,596.82 × 691,843,532.61
  4. Step 4: Simplify right side
    1,200,762,084.24x = 1,146,432,191,801,044,608
  5. Step 5: Solve for x
    x = 1,146,432,191,801,044,608/1,200,762,084.24
  6. Step 6: Final answer
    x = 954,753,824.13

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1.5x scale

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.