Home / 724,913,017.20-1,088,077,314.60-361,817,362.80

Finding the Fourth Proportional to 724,913,017.20, 1,088,077,314.60 and 361,817,362.80

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Solution

The fourth proportional to 724,913,017.20, 1,088,077,314.60 and 361,817,362.80 is: 543,079,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,913,017.20 : 1,088,077,314.60 = 361,817,362.80 : x
  2. Step 2: Convert to fraction form
    724,913,017.20/1,088,077,314.60 = 361,817,362.80/x
  3. Step 3: Cross multiply
    724,913,017.20x = 1,088,077,314.60 × 361,817,362.80
  4. Step 4: Simplify right side
    724,913,017.20x = 393,685,264,491,077,888
  5. Step 5: Solve for x
    x = 393,685,264,491,077,888/724,913,017.20
  6. Step 6: Final answer
    x = 543,079,314.55

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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.