Home / 314,928,718.80-472,393,078.20-293,405,358.30

Finding the Fourth Proportional to 314,928,718.80, 472,393,078.20 and 293,405,358.30

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Solution

The fourth proportional to 314,928,718.80, 472,393,078.20 and 293,405,358.30 is: 440,108,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,718.80 : 472,393,078.20 = 293,405,358.30 : x
  2. Step 2: Convert to fraction form
    314,928,718.80/472,393,078.20 = 293,405,358.30/x
  3. Step 3: Cross multiply
    314,928,718.80x = 472,393,078.20 × 293,405,358.30
  4. Step 4: Simplify right side
    314,928,718.80x = 138,602,660,367,710,928
  5. Step 5: Solve for x
    x = 138,602,660,367,710,928/314,928,718.80
  6. Step 6: Final answer
    x = 440,108,037.45

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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.