Home / 290,513,366.64-400,896,382.86-158,351,454.90

Finding the Fourth Proportional to 290,513,366.64, 400,896,382.86 and 158,351,454.90

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Solution

The fourth proportional to 290,513,366.64, 400,896,382.86 and 158,351,454.90 is: 218,518,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,513,366.64 : 400,896,382.86 = 158,351,454.90 : x
  2. Step 2: Convert to fraction form
    290,513,366.64/400,896,382.86 = 158,351,454.90/x
  3. Step 3: Cross multiply
    290,513,366.64x = 400,896,382.86 × 158,351,454.90
  4. Step 4: Simplify right side
    290,513,366.64x = 63,482,525,490,028,424
  5. Step 5: Solve for x
    x = 63,482,525,490,028,424/290,513,366.64
  6. Step 6: Final answer
    x = 218,518,432.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.