Home / 816,587,842,915.70-1,126,885,490,596.80-445,791,260,849.86

Finding the Fourth Proportional to 816,587,842,915.70, 1,126,885,490,596.80 and 445,791,260,849.86

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Solution

The fourth proportional to 816,587,842,915.70, 1,126,885,490,596.80 and 445,791,260,849.86 is: 615,188,810,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,587,842,915.70 : 1,126,885,490,596.80 = 445,791,260,849.86 : x
  2. Step 2: Convert to fraction form
    816,587,842,915.70/1,126,885,490,596.80 = 445,791,260,849.86/x
  3. Step 3: Cross multiply
    816,587,842,915.70x = 1,126,885,490,596.80 × 445,791,260,849.86
  4. Step 4: Simplify right side
    816,587,842,915.70x = 502,355,703,686,560,546,291,712
  5. Step 5: Solve for x
    x = 502,355,703,686,560,546,291,712/816,587,842,915.70
  6. Step 6: Final answer
    x = 615,188,810,419.78

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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.