Home / 824,064,971.10-1,236,097,456.65-760,929,780.30

Finding the Fourth Proportional to 824,064,971.10, 1,236,097,456.65 and 760,929,780.30

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Solution

The fourth proportional to 824,064,971.10, 1,236,097,456.65 and 760,929,780.30 is: 1,141,394,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,064,971.10 : 1,236,097,456.65 = 760,929,780.30 : x
  2. Step 2: Convert to fraction form
    824,064,971.10/1,236,097,456.65 = 760,929,780.30/x
  3. Step 3: Cross multiply
    824,064,971.10x = 1,236,097,456.65 × 760,929,780.30
  4. Step 4: Simplify right side
    824,064,971.10x = 940,583,366,118,073,344
  5. Step 5: Solve for x
    x = 940,583,366,118,073,344/824,064,971.10
  6. Step 6: Final answer
    x = 1,141,394,670.45

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Double scale
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Similar ratio
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1.5x scale

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.