Home / 253,610,202,393.72-349,982,304,442.38-139,426,766,073.72

Finding the Fourth Proportional to 253,610,202,393.72, 349,982,304,442.38 and 139,426,766,073.72

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Solution

The fourth proportional to 253,610,202,393.72, 349,982,304,442.38 and 139,426,766,073.72 is: 192,409,060,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,610,202,393.72 : 349,982,304,442.38 = 139,426,766,073.72 : x
  2. Step 2: Convert to fraction form
    253,610,202,393.72/349,982,304,442.38 = 139,426,766,073.72/x
  3. Step 3: Cross multiply
    253,610,202,393.72x = 349,982,304,442.38 × 139,426,766,073.72
  4. Step 4: Simplify right side
    253,610,202,393.72x = 48,796,900,891,429,173,198,848
  5. Step 5: Solve for x
    x = 48,796,900,891,429,173,198,848/253,610,202,393.72
  6. Step 6: Final answer
    x = 192,409,060,955.97

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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.