Home / 644,756,853.86-967,134,689.96-202,102,717.58

Finding the Fourth Proportional to 644,756,853.86, 967,134,689.96 and 202,102,717.58

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Solution

The fourth proportional to 644,756,853.86, 967,134,689.96 and 202,102,717.58 is: 303,153,891.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,756,853.86 : 967,134,689.96 = 202,102,717.58 : x
  2. Step 2: Convert to fraction form
    644,756,853.86/967,134,689.96 = 202,102,717.58/x
  3. Step 3: Cross multiply
    644,756,853.86x = 967,134,689.96 × 202,102,717.58
  4. Step 4: Simplify right side
    644,756,853.86x = 195,460,549,102,476,320
  5. Step 5: Solve for x
    x = 195,460,549,102,476,320/644,756,853.86
  6. Step 6: Final answer
    x = 303,153,891.17

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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.