Home / 310,019,911.43-464,868,395.80-146,213,685.91

Finding the Fourth Proportional to 310,019,911.43, 464,868,395.80 and 146,213,685.91

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Solution

The fourth proportional to 310,019,911.43, 464,868,395.80 and 146,213,685.91 is: 219,244,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,019,911.43 : 464,868,395.80 = 146,213,685.91 : x
  2. Step 2: Convert to fraction form
    310,019,911.43/464,868,395.80 = 146,213,685.91/x
  3. Step 3: Cross multiply
    310,019,911.43x = 464,868,395.80 × 146,213,685.91
  4. Step 4: Simplify right side
    310,019,911.43x = 67,970,121,613,202,312
  5. Step 5: Solve for x
    x = 67,970,121,613,202,312/310,019,911.43
  6. Step 6: Final answer
    x = 219,244,374.66

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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.