Home / 671,039,982.72-1,006,092,015.12-297,344,621.52

Finding the Fourth Proportional to 671,039,982.72, 1,006,092,015.12 and 297,344,621.52

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Solution

The fourth proportional to 671,039,982.72, 1,006,092,015.12 and 297,344,621.52 is: 445,809,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,039,982.72 : 1,006,092,015.12 = 297,344,621.52 : x
  2. Step 2: Convert to fraction form
    671,039,982.72/1,006,092,015.12 = 297,344,621.52/x
  3. Step 3: Cross multiply
    671,039,982.72x = 1,006,092,015.12 × 297,344,621.52
  4. Step 4: Simplify right side
    671,039,982.72x = 299,156,049,450,150,528
  5. Step 5: Solve for x
    x = 299,156,049,450,150,528/671,039,982.72
  6. Step 6: Final answer
    x = 445,809,574.92

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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.