Home / 585,082,017.05-807,412,988.71-320,758,334.82

Finding the Fourth Proportional to 585,082,017.05, 807,412,988.71 and 320,758,334.82

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Solution

The fourth proportional to 585,082,017.05, 807,412,988.71 and 320,758,334.82 is: 442,646,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,082,017.05 : 807,412,988.71 = 320,758,334.82 : x
  2. Step 2: Convert to fraction form
    585,082,017.05/807,412,988.71 = 320,758,334.82/x
  3. Step 3: Cross multiply
    585,082,017.05x = 807,412,988.71 × 320,758,334.82
  4. Step 4: Simplify right side
    585,082,017.05x = 258,984,445,765,018,208
  5. Step 5: Solve for x
    x = 258,984,445,765,018,208/585,082,017.05
  6. Step 6: Final answer
    x = 442,646,395.24

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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.