Home / 890,433,588,082.75-1,228,730,915,317.80-499,724,693,271.33

Finding the Fourth Proportional to 890,433,588,082.75, 1,228,730,915,317.80 and 499,724,693,271.33

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Solution

The fourth proportional to 890,433,588,082.75, 1,228,730,915,317.80 and 499,724,693,271.33 is: 689,582,230,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,433,588,082.75 : 1,228,730,915,317.80 = 499,724,693,271.33 : x
  2. Step 2: Convert to fraction form
    890,433,588,082.75/1,228,730,915,317.80 = 499,724,693,271.33/x
  3. Step 3: Cross multiply
    890,433,588,082.75x = 1,228,730,915,317.80 × 499,724,693,271.33
  4. Step 4: Simplify right side
    890,433,588,082.75x = 614,027,179,770,188,264,374,272
  5. Step 5: Solve for x
    x = 614,027,179,770,188,264,374,272/890,433,588,082.75
  6. Step 6: Final answer
    x = 689,582,230,486.49

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Double scale
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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.