Home / 1,533,229,561.87-2,300,231,376.20-427,833,490.19

Finding the Fourth Proportional to 1,533,229,561.87, 2,300,231,376.20 and 427,833,490.19

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Solution

The fourth proportional to 1,533,229,561.87, 2,300,231,376.20 and 427,833,490.19 is: 641,858,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,229,561.87 : 2,300,231,376.20 = 427,833,490.19 : x
  2. Step 2: Convert to fraction form
    1,533,229,561.87/2,300,231,376.20 = 427,833,490.19/x
  3. Step 3: Cross multiply
    1,533,229,561.87x = 2,300,231,376.20 × 427,833,490.19
  4. Step 4: Simplify right side
    1,533,229,561.87x = 984,116,017,913,761,280
  5. Step 5: Solve for x
    x = 984,116,017,913,761,280/1,533,229,561.87
  6. Step 6: Final answer
    x = 641,858,233.36

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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.