Home / 490,147,283.60-735,220,925.40-486,746,061.20

Finding the Fourth Proportional to 490,147,283.60, 735,220,925.40 and 486,746,061.20

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Solution

The fourth proportional to 490,147,283.60, 735,220,925.40 and 486,746,061.20 is: 730,119,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,147,283.60 : 735,220,925.40 = 486,746,061.20 : x
  2. Step 2: Convert to fraction form
    490,147,283.60/735,220,925.40 = 486,746,061.20/x
  3. Step 3: Cross multiply
    490,147,283.60x = 735,220,925.40 × 486,746,061.20
  4. Step 4: Simplify right side
    490,147,283.60x = 357,865,889,550,268,992
  5. Step 5: Solve for x
    x = 357,865,889,550,268,992/490,147,283.60
  6. Step 6: Final answer
    x = 730,119,091.80

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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.