Home / 409,020,621.68-564,462,387-241,900,142

Finding the Fourth Proportional to 409,020,621.68, 564,462,387 and 241,900,142

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Solution

The fourth proportional to 409,020,621.68, 564,462,387 and 241,900,142 is: 333,830,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,020,621.68 : 564,462,387 = 241,900,142 : x
  2. Step 2: Convert to fraction form
    409,020,621.68/564,462,387 = 241,900,142/x
  3. Step 3: Cross multiply
    409,020,621.68x = 564,462,387 × 241,900,142
  4. Step 4: Simplify right side
    409,020,621.68x = 136,543,531,568,958,960
  5. Step 5: Solve for x
    x = 136,543,531,568,958,960/409,020,621.68
  6. Step 6: Final answer
    x = 333,830,433.80

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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.