Home / 51,106,788,008.40-76,660,182,012.60-42,399,658,664.40

Finding the Fourth Proportional to 51,106,788,008.40, 76,660,182,012.60 and 42,399,658,664.40

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Solution

The fourth proportional to 51,106,788,008.40, 76,660,182,012.60 and 42,399,658,664.40 is: 63,599,487,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,106,788,008.40 : 76,660,182,012.60 = 42,399,658,664.40 : x
  2. Step 2: Convert to fraction form
    51,106,788,008.40/76,660,182,012.60 = 42,399,658,664.40/x
  3. Step 3: Cross multiply
    51,106,788,008.40x = 76,660,182,012.60 × 42,399,658,664.40
  4. Step 4: Simplify right side
    51,106,788,008.40x = 3,250,365,550,485,016,936,448
  5. Step 5: Solve for x
    x = 3,250,365,550,485,016,936,448/51,106,788,008.40
  6. Step 6: Final answer
    x = 63,599,487,996.60

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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.