Home / 282,956,659.70-390,401,777.26-169,896,786

Finding the Fourth Proportional to 282,956,659.70, 390,401,777.26 and 169,896,786

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Solution

The fourth proportional to 282,956,659.70, 390,401,777.26 and 169,896,786 is: 234,410,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,956,659.70 : 390,401,777.26 = 169,896,786 : x
  2. Step 2: Convert to fraction form
    282,956,659.70/390,401,777.26 = 169,896,786/x
  3. Step 3: Cross multiply
    282,956,659.70x = 390,401,777.26 × 169,896,786
  4. Step 4: Simplify right side
    282,956,659.70x = 66,328,007,205,161,888
  5. Step 5: Solve for x
    x = 66,328,007,205,161,888/282,956,659.70
  6. Step 6: Final answer
    x = 234,410,482.78

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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.