Home / 313,380,995.92-432,009,985.56-219,002,126.32

Finding the Fourth Proportional to 313,380,995.92, 432,009,985.56 and 219,002,126.32

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Solution

The fourth proportional to 313,380,995.92, 432,009,985.56 and 219,002,126.32 is: 301,904,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,380,995.92 : 432,009,985.56 = 219,002,126.32 : x
  2. Step 2: Convert to fraction form
    313,380,995.92/432,009,985.56 = 219,002,126.32/x
  3. Step 3: Cross multiply
    313,380,995.92x = 432,009,985.56 × 219,002,126.32
  4. Step 4: Simplify right side
    313,380,995.92x = 94,611,105,429,112,496
  5. Step 5: Solve for x
    x = 94,611,105,429,112,496/313,380,995.92
  6. Step 6: Final answer
    x = 301,904,412.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.