Home / 314,928,359.70-472,392,539.55-284,695,271.70

Finding the Fourth Proportional to 314,928,359.70, 472,392,539.55 and 284,695,271.70

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Solution

The fourth proportional to 314,928,359.70, 472,392,539.55 and 284,695,271.70 is: 427,042,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,359.70 : 472,392,539.55 = 284,695,271.70 : x
  2. Step 2: Convert to fraction form
    314,928,359.70/472,392,539.55 = 284,695,271.70/x
  3. Step 3: Cross multiply
    314,928,359.70x = 472,392,539.55 × 284,695,271.70
  4. Step 4: Simplify right side
    314,928,359.70x = 134,487,922,396,240,240
  5. Step 5: Solve for x
    x = 134,487,922,396,240,240/314,928,359.70
  6. Step 6: Final answer
    x = 427,042,907.55

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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.