Home / 662,257,359.40-993,386,039.10-225,412,857.40

Finding the Fourth Proportional to 662,257,359.40, 993,386,039.10 and 225,412,857.40

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Solution

The fourth proportional to 662,257,359.40, 993,386,039.10 and 225,412,857.40 is: 338,119,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,257,359.40 : 993,386,039.10 = 225,412,857.40 : x
  2. Step 2: Convert to fraction form
    662,257,359.40/993,386,039.10 = 225,412,857.40/x
  3. Step 3: Cross multiply
    662,257,359.40x = 993,386,039.10 × 225,412,857.40
  4. Step 4: Simplify right side
    662,257,359.40x = 223,921,985,574,799,136
  5. Step 5: Solve for x
    x = 223,921,985,574,799,136/662,257,359.40
  6. Step 6: Final answer
    x = 338,119,286.10

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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.