Home / 374,112,004.80-561,168,007.20-212,868,868.80

Finding the Fourth Proportional to 374,112,004.80, 561,168,007.20 and 212,868,868.80

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Solution

The fourth proportional to 374,112,004.80, 561,168,007.20 and 212,868,868.80 is: 319,303,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,112,004.80 : 561,168,007.20 = 212,868,868.80 : x
  2. Step 2: Convert to fraction form
    374,112,004.80/561,168,007.20 = 212,868,868.80/x
  3. Step 3: Cross multiply
    374,112,004.80x = 561,168,007.20 × 212,868,868.80
  4. Step 4: Simplify right side
    374,112,004.80x = 119,455,198,899,414,272
  5. Step 5: Solve for x
    x = 119,455,198,899,414,272/374,112,004.80
  6. Step 6: Final answer
    x = 319,303,303.20

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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.