Home / 1,241,130,903.60-1,861,696,355.40-550,304,842.80

Finding the Fourth Proportional to 1,241,130,903.60, 1,861,696,355.40 and 550,304,842.80

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Solution

The fourth proportional to 1,241,130,903.60, 1,861,696,355.40 and 550,304,842.80 is: 825,457,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,130,903.60 : 1,861,696,355.40 = 550,304,842.80 : x
  2. Step 2: Convert to fraction form
    1,241,130,903.60/1,861,696,355.40 = 550,304,842.80/x
  3. Step 3: Cross multiply
    1,241,130,903.60x = 1,861,696,355.40 × 550,304,842.80
  4. Step 4: Simplify right side
    1,241,130,903.60x = 1,024,500,520,199,729,920
  5. Step 5: Solve for x
    x = 1,024,500,520,199,729,920/1,241,130,903.60
  6. Step 6: Final answer
    x = 825,457,264.20

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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.