Home / 649,540,020.60-974,310,030.90-164,865,828.60

Finding the Fourth Proportional to 649,540,020.60, 974,310,030.90 and 164,865,828.60

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Solution

The fourth proportional to 649,540,020.60, 974,310,030.90 and 164,865,828.60 is: 247,298,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,540,020.60 : 974,310,030.90 = 164,865,828.60 : x
  2. Step 2: Convert to fraction form
    649,540,020.60/974,310,030.90 = 164,865,828.60/x
  3. Step 3: Cross multiply
    649,540,020.60x = 974,310,030.90 × 164,865,828.60
  4. Step 4: Simplify right side
    649,540,020.60x = 160,630,430,557,620,096
  5. Step 5: Solve for x
    x = 160,630,430,557,620,096/649,540,020.60
  6. Step 6: Final answer
    x = 247,298,742.90

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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.