Home / 839,832,005.20-1,259,748,007.80-226,478,232.40

Finding the Fourth Proportional to 839,832,005.20, 1,259,748,007.80 and 226,478,232.40

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Solution

The fourth proportional to 839,832,005.20, 1,259,748,007.80 and 226,478,232.40 is: 339,717,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,832,005.20 : 1,259,748,007.80 = 226,478,232.40 : x
  2. Step 2: Convert to fraction form
    839,832,005.20/1,259,748,007.80 = 226,478,232.40/x
  3. Step 3: Cross multiply
    839,832,005.20x = 1,259,748,007.80 × 226,478,232.40
  4. Step 4: Simplify right side
    839,832,005.20x = 285,305,502,075,965,408
  5. Step 5: Solve for x
    x = 285,305,502,075,965,408/839,832,005.20
  6. Step 6: Final answer
    x = 339,717,348.60

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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.