Home / 454,168,013.18-626,752,110.35-245,324,157.86

Finding the Fourth Proportional to 454,168,013.18, 626,752,110.35 and 245,324,157.86

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Solution

The fourth proportional to 454,168,013.18, 626,752,110.35 and 245,324,157.86 is: 338,547,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,168,013.18 : 626,752,110.35 = 245,324,157.86 : x
  2. Step 2: Convert to fraction form
    454,168,013.18/626,752,110.35 = 245,324,157.86/x
  3. Step 3: Cross multiply
    454,168,013.18x = 626,752,110.35 × 245,324,157.86
  4. Step 4: Simplify right side
    454,168,013.18x = 153,757,433,660,771,744
  5. Step 5: Solve for x
    x = 153,757,433,660,771,744/454,168,013.18
  6. Step 6: Final answer
    x = 338,547,474.06

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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.