Home / 391,376,953,282.06-540,091,730,157.85-226,585,421,747.02

Finding the Fourth Proportional to 391,376,953,282.06, 540,091,730,157.85 and 226,585,421,747.02

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Solution

The fourth proportional to 391,376,953,282.06, 540,091,730,157.85 and 226,585,421,747.02 is: 312,682,981,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,376,953,282.06 : 540,091,730,157.85 = 226,585,421,747.02 : x
  2. Step 2: Convert to fraction form
    391,376,953,282.06/540,091,730,157.85 = 226,585,421,747.02/x
  3. Step 3: Cross multiply
    391,376,953,282.06x = 540,091,730,157.85 × 226,585,421,747.02
  4. Step 4: Simplify right side
    391,376,953,282.06x = 122,376,912,459,894,154,592,256
  5. Step 5: Solve for x
    x = 122,376,912,459,894,154,592,256/391,376,953,282.06
  6. Step 6: Final answer
    x = 312,682,981,033.12

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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.