Home / 864,254,769.32-1,192,671,489.23-467,777,694.62

Finding the Fourth Proportional to 864,254,769.32, 1,192,671,489.23 and 467,777,694.62

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Solution

The fourth proportional to 864,254,769.32, 1,192,671,489.23 and 467,777,694.62 is: 645,533,168.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,254,769.32 : 1,192,671,489.23 = 467,777,694.62 : x
  2. Step 2: Convert to fraction form
    864,254,769.32/1,192,671,489.23 = 467,777,694.62/x
  3. Step 3: Cross multiply
    864,254,769.32x = 1,192,671,489.23 × 467,777,694.62
  4. Step 4: Simplify right side
    864,254,769.32x = 557,905,119,662,709,248
  5. Step 5: Solve for x
    x = 557,905,119,662,709,248/864,254,769.32
  6. Step 6: Final answer
    x = 645,533,168.54

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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.