Home / 472,813,682.76-709,147,808.28-157,685,244.48

Finding the Fourth Proportional to 472,813,682.76, 709,147,808.28 and 157,685,244.48

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Solution

The fourth proportional to 472,813,682.76, 709,147,808.28 and 157,685,244.48 is: 236,503,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,813,682.76 : 709,147,808.28 = 157,685,244.48 : x
  2. Step 2: Convert to fraction form
    472,813,682.76/709,147,808.28 = 157,685,244.48/x
  3. Step 3: Cross multiply
    472,813,682.76x = 709,147,808.28 × 157,685,244.48
  4. Step 4: Simplify right side
    472,813,682.76x = 111,822,145,521,087,952
  5. Step 5: Solve for x
    x = 111,822,145,521,087,952/472,813,682.76
  6. Step 6: Final answer
    x = 236,503,615.69

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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.