Home / 314,928,478.30-472,392,717.45-293,405,117.80

Finding the Fourth Proportional to 314,928,478.30, 472,392,717.45 and 293,405,117.80

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Solution

The fourth proportional to 314,928,478.30, 472,392,717.45 and 293,405,117.80 is: 440,107,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,478.30 : 472,392,717.45 = 293,405,117.80 : x
  2. Step 2: Convert to fraction form
    314,928,478.30/472,392,717.45 = 293,405,117.80/x
  3. Step 3: Cross multiply
    314,928,478.30x = 472,392,717.45 × 293,405,117.80
  4. Step 4: Simplify right side
    314,928,478.30x = 138,602,440,911,279,360
  5. Step 5: Solve for x
    x = 138,602,440,911,279,360/314,928,478.30
  6. Step 6: Final answer
    x = 440,107,676.70

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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.