Home / 927,148,045,338.15-1,390,722,068,007.20-674,423,616,128.55

Finding the Fourth Proportional to 927,148,045,338.15, 1,390,722,068,007.20 and 674,423,616,128.55

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Solution

The fourth proportional to 927,148,045,338.15, 1,390,722,068,007.20 and 674,423,616,128.55 is: 1,011,635,424,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,148,045,338.15 : 1,390,722,068,007.20 = 674,423,616,128.55 : x
  2. Step 2: Convert to fraction form
    927,148,045,338.15/1,390,722,068,007.20 = 674,423,616,128.55/x
  3. Step 3: Cross multiply
    927,148,045,338.15x = 1,390,722,068,007.20 × 674,423,616,128.55
  4. Step 4: Simplify right side
    927,148,045,338.15x = 937,935,806,135,191,094,689,792
  5. Step 5: Solve for x
    x = 937,935,806,135,191,094,689,792/927,148,045,338.15
  6. Step 6: Final answer
    x = 1,011,635,424,192.81

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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.