Home / 927,148,049,458.80-1,390,722,074,188.20-921,270,737,151.60

Finding the Fourth Proportional to 927,148,049,458.80, 1,390,722,074,188.20 and 921,270,737,151.60

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Solution

The fourth proportional to 927,148,049,458.80, 1,390,722,074,188.20 and 921,270,737,151.60 is: 1,381,906,105,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,148,049,458.80 : 1,390,722,074,188.20 = 921,270,737,151.60 : x
  2. Step 2: Convert to fraction form
    927,148,049,458.80/1,390,722,074,188.20 = 921,270,737,151.60/x
  3. Step 3: Cross multiply
    927,148,049,458.80x = 1,390,722,074,188.20 × 921,270,737,151.60
  4. Step 4: Simplify right side
    927,148,049,458.80x = 1,281,231,550,460,364,989,661,184
  5. Step 5: Solve for x
    x = 1,281,231,550,460,364,989,661,184/927,148,049,458.80
  6. Step 6: Final answer
    x = 1,381,906,105,727.40

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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.