Home / 278,017,905.69-414,570,538.80-275,522,541.12

Finding the Fourth Proportional to 278,017,905.69, 414,570,538.80 and 275,522,541.12

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Solution

The fourth proportional to 278,017,905.69, 414,570,538.80 and 275,522,541.12 is: 410,849,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,017,905.69 : 414,570,538.80 = 275,522,541.12 : x
  2. Step 2: Convert to fraction form
    278,017,905.69/414,570,538.80 = 275,522,541.12/x
  3. Step 3: Cross multiply
    278,017,905.69x = 414,570,538.80 × 275,522,541.12
  4. Step 4: Simplify right side
    278,017,905.69x = 114,223,528,323,663,568
  5. Step 5: Solve for x
    x = 114,223,528,323,663,568/278,017,905.69
  6. Step 6: Final answer
    x = 410,849,538.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.