Home / 476,953,846.20-715,430,769.30-258,708,742.20

Finding the Fourth Proportional to 476,953,846.20, 715,430,769.30 and 258,708,742.20

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Solution

The fourth proportional to 476,953,846.20, 715,430,769.30 and 258,708,742.20 is: 388,063,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,953,846.20 : 715,430,769.30 = 258,708,742.20 : x
  2. Step 2: Convert to fraction form
    476,953,846.20/715,430,769.30 = 258,708,742.20/x
  3. Step 3: Cross multiply
    476,953,846.20x = 715,430,769.30 × 258,708,742.20
  4. Step 4: Simplify right side
    476,953,846.20x = 185,088,194,456,781,344
  5. Step 5: Solve for x
    x = 185,088,194,456,781,344/476,953,846.20
  6. Step 6: Final answer
    x = 388,063,113.30

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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.