Home / 824,970,167.82-1,138,432,769.55-453,691,051.02

Finding the Fourth Proportional to 824,970,167.82, 1,138,432,769.55 and 453,691,051.02

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Solution

The fourth proportional to 824,970,167.82, 1,138,432,769.55 and 453,691,051.02 is: 626,079,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,970,167.82 : 1,138,432,769.55 = 453,691,051.02 : x
  2. Step 2: Convert to fraction form
    824,970,167.82/1,138,432,769.55 = 453,691,051.02/x
  3. Step 3: Cross multiply
    824,970,167.82x = 1,138,432,769.55 × 453,691,051.02
  4. Step 4: Simplify right side
    824,970,167.82x = 516,496,759,732,748,928
  5. Step 5: Solve for x
    x = 516,496,759,732,748,928/824,970,167.82
  6. Step 6: Final answer
    x = 626,079,317.63

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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.