Home / 612,112,932.20-919,960,988.70-533,282,954.60

Finding the Fourth Proportional to 612,112,932.20, 919,960,988.70 and 533,282,954.60

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Solution

The fourth proportional to 612,112,932.20, 919,960,988.70 and 533,282,954.60 is: 801,485,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,112,932.20 : 919,960,988.70 = 533,282,954.60 : x
  2. Step 2: Convert to fraction form
    612,112,932.20/919,960,988.70 = 533,282,954.60/x
  3. Step 3: Cross multiply
    612,112,932.20x = 919,960,988.70 × 533,282,954.60
  4. Step 4: Simplify right side
    612,112,932.20x = 490,599,514,170,673,280
  5. Step 5: Solve for x
    x = 490,599,514,170,673,280/612,112,932.20
  6. Step 6: Final answer
    x = 801,485,295.22

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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.