Home / 472,393,954.70-708,590,932.05-165,575,350.70

Finding the Fourth Proportional to 472,393,954.70, 708,590,932.05 and 165,575,350.70

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Solution

The fourth proportional to 472,393,954.70, 708,590,932.05 and 165,575,350.70 is: 248,363,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,954.70 : 708,590,932.05 = 165,575,350.70 : x
  2. Step 2: Convert to fraction form
    472,393,954.70/708,590,932.05 = 165,575,350.70/x
  3. Step 3: Cross multiply
    472,393,954.70x = 708,590,932.05 × 165,575,350.70
  4. Step 4: Simplify right side
    472,393,954.70x = 117,325,192,077,018,608
  5. Step 5: Solve for x
    x = 117,325,192,077,018,608/472,393,954.70
  6. Step 6: Final answer
    x = 248,363,026.05

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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.