Home / 438,902,495,995.20-658,353,743,992.80-140,812,562,414.40

Finding the Fourth Proportional to 438,902,495,995.20, 658,353,743,992.80 and 140,812,562,414.40

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Solution

The fourth proportional to 438,902,495,995.20, 658,353,743,992.80 and 140,812,562,414.40 is: 211,218,843,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,902,495,995.20 : 658,353,743,992.80 = 140,812,562,414.40 : x
  2. Step 2: Convert to fraction form
    438,902,495,995.20/658,353,743,992.80 = 140,812,562,414.40/x
  3. Step 3: Cross multiply
    438,902,495,995.20x = 658,353,743,992.80 × 140,812,562,414.40
  4. Step 4: Simplify right side
    438,902,495,995.20x = 92,704,477,666,740,080,214,016
  5. Step 5: Solve for x
    x = 92,704,477,666,740,080,214,016/438,902,495,995.20
  6. Step 6: Final answer
    x = 211,218,843,621.60

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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.