Home / 890,433,588,057.83-1,228,730,915,283.40-499,724,693,246.48

Finding the Fourth Proportional to 890,433,588,057.83, 1,228,730,915,283.40 and 499,724,693,246.48

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Solution

The fourth proportional to 890,433,588,057.83, 1,228,730,915,283.40 and 499,724,693,246.48 is: 689,582,230,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,433,588,057.83 : 1,228,730,915,283.40 = 499,724,693,246.48 : x
  2. Step 2: Convert to fraction form
    890,433,588,057.83/1,228,730,915,283.40 = 499,724,693,246.48/x
  3. Step 3: Cross multiply
    890,433,588,057.83x = 1,228,730,915,283.40 × 499,724,693,246.48
  4. Step 4: Simplify right side
    890,433,588,057.83x = 614,027,179,722,463,661,522,944
  5. Step 5: Solve for x
    x = 614,027,179,722,463,661,522,944/890,433,588,057.83
  6. Step 6: Final answer
    x = 689,582,230,452.19

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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.