Home / 1,306,673,999.60-1,960,010,999.40-653,639,298.80

Finding the Fourth Proportional to 1,306,673,999.60, 1,960,010,999.40 and 653,639,298.80

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Solution

The fourth proportional to 1,306,673,999.60, 1,960,010,999.40 and 653,639,298.80 is: 980,458,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,673,999.60 : 1,960,010,999.40 = 653,639,298.80 : x
  2. Step 2: Convert to fraction form
    1,306,673,999.60/1,960,010,999.40 = 653,639,298.80/x
  3. Step 3: Cross multiply
    1,306,673,999.60x = 1,960,010,999.40 × 653,639,298.80
  4. Step 4: Simplify right side
    1,306,673,999.60x = 1,281,140,215,288,103,168
  5. Step 5: Solve for x
    x = 1,281,140,215,288,103,168/1,306,673,999.60
  6. Step 6: Final answer
    x = 980,458,948.20

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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.