Home / 585,048,242.39-807,376,977.14-317,132,849.57

Finding the Fourth Proportional to 585,048,242.39, 807,376,977.14 and 317,132,849.57

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Solution

The fourth proportional to 585,048,242.39, 807,376,977.14 and 317,132,849.57 is: 437,648,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,048,242.39 : 807,376,977.14 = 317,132,849.57 : x
  2. Step 2: Convert to fraction form
    585,048,242.39/807,376,977.14 = 317,132,849.57/x
  3. Step 3: Cross multiply
    585,048,242.39x = 807,376,977.14 × 317,132,849.57
  4. Step 4: Simplify right side
    585,048,242.39x = 256,045,761,436,035,264
  5. Step 5: Solve for x
    x = 256,045,761,436,035,264/585,048,242.39
  6. Step 6: Final answer
    x = 437,648,971.29

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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.