Home / 543,408,272,905.60-815,112,409,358.40-145,955,028,131.20

Finding the Fourth Proportional to 543,408,272,905.60, 815,112,409,358.40 and 145,955,028,131.20

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Solution

The fourth proportional to 543,408,272,905.60, 815,112,409,358.40 and 145,955,028,131.20 is: 218,932,542,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,408,272,905.60 : 815,112,409,358.40 = 145,955,028,131.20 : x
  2. Step 2: Convert to fraction form
    543,408,272,905.60/815,112,409,358.40 = 145,955,028,131.20/x
  3. Step 3: Cross multiply
    543,408,272,905.60x = 815,112,409,358.40 × 145,955,028,131.20
  4. Step 4: Simplify right side
    543,408,272,905.60x = 118,969,754,637,995,499,061,248
  5. Step 5: Solve for x
    x = 118,969,754,637,995,499,061,248/543,408,272,905.60
  6. Step 6: Final answer
    x = 218,932,542,196.80

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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.