Home / 556,754,961.75-835,239,985.16-211,681,758.34

Finding the Fourth Proportional to 556,754,961.75, 835,239,985.16 and 211,681,758.34

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Solution

The fourth proportional to 556,754,961.75, 835,239,985.16 and 211,681,758.34 is: 317,563,525.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,754,961.75 : 835,239,985.16 = 211,681,758.34 : x
  2. Step 2: Convert to fraction form
    556,754,961.75/835,239,985.16 = 211,681,758.34/x
  3. Step 3: Cross multiply
    556,754,961.75x = 835,239,985.16 × 211,681,758.34
  4. Step 4: Simplify right side
    556,754,961.75x = 176,805,068,694,529,952
  5. Step 5: Solve for x
    x = 176,805,068,694,529,952/556,754,961.75
  6. Step 6: Final answer
    x = 317,563,525.86

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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.