Home / 1,377,474,520.07-1,900,896,684.23-774,644,964.43

Finding the Fourth Proportional to 1,377,474,520.07, 1,900,896,684.23 and 774,644,964.43

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Solution

The fourth proportional to 1,377,474,520.07, 1,900,896,684.23 and 774,644,964.43 is: 1,068,999,842.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,474,520.07 : 1,900,896,684.23 = 774,644,964.43 : x
  2. Step 2: Convert to fraction form
    1,377,474,520.07/1,900,896,684.23 = 774,644,964.43/x
  3. Step 3: Cross multiply
    1,377,474,520.07x = 1,900,896,684.23 × 774,644,964.43
  4. Step 4: Simplify right side
    1,377,474,520.07x = 1,472,520,044,330,948,608
  5. Step 5: Solve for x
    x = 1,472,520,044,330,948,608/1,377,474,520.07
  6. Step 6: Final answer
    x = 1,068,999,842.02

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Double scale
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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.