Home / 320,436,210.70-480,654,316.05-212,730,834.70

Finding the Fourth Proportional to 320,436,210.70, 480,654,316.05 and 212,730,834.70

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Solution

The fourth proportional to 320,436,210.70, 480,654,316.05 and 212,730,834.70 is: 319,096,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,436,210.70 : 480,654,316.05 = 212,730,834.70 : x
  2. Step 2: Convert to fraction form
    320,436,210.70/480,654,316.05 = 212,730,834.70/x
  3. Step 3: Cross multiply
    320,436,210.70x = 480,654,316.05 × 212,730,834.70
  4. Step 4: Simplify right side
    320,436,210.70x = 102,249,993,855,474,096
  5. Step 5: Solve for x
    x = 102,249,993,855,474,096/320,436,210.70
  6. Step 6: Final answer
    x = 319,096,252.05

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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.