Home / 310,681,803,185.70-428,678,707,008.22-173,483,519,442.26

Finding the Fourth Proportional to 310,681,803,185.70, 428,678,707,008.22 and 173,483,519,442.26

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Solution

The fourth proportional to 310,681,803,185.70, 428,678,707,008.22 and 173,483,519,442.26 is: 239,372,534,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,681,803,185.70 : 428,678,707,008.22 = 173,483,519,442.26 : x
  2. Step 2: Convert to fraction form
    310,681,803,185.70/428,678,707,008.22 = 173,483,519,442.26/x
  3. Step 3: Cross multiply
    310,681,803,185.70x = 428,678,707,008.22 × 173,483,519,442.26
  4. Step 4: Simplify right side
    310,681,803,185.70x = 74,368,690,801,743,415,476,224
  5. Step 5: Solve for x
    x = 74,368,690,801,743,415,476,224/310,681,803,185.70
  6. Step 6: Final answer
    x = 239,372,534,983.30

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1.5x scale

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.