Home / 753,036,015.60-1,129,554,023.40-268,186,863.60

Finding the Fourth Proportional to 753,036,015.60, 1,129,554,023.40 and 268,186,863.60

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Solution

The fourth proportional to 753,036,015.60, 1,129,554,023.40 and 268,186,863.60 is: 402,280,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,036,015.60 : 1,129,554,023.40 = 268,186,863.60 : x
  2. Step 2: Convert to fraction form
    753,036,015.60/1,129,554,023.40 = 268,186,863.60/x
  3. Step 3: Cross multiply
    753,036,015.60x = 1,129,554,023.40 × 268,186,863.60
  4. Step 4: Simplify right side
    753,036,015.60x = 302,931,550,802,407,040
  5. Step 5: Solve for x
    x = 302,931,550,802,407,040/753,036,015.60
  6. Step 6: Final answer
    x = 402,280,295.40

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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.