Home / 253,610,202,389.72-349,982,304,436.86-139,426,766,069.72

Finding the Fourth Proportional to 253,610,202,389.72, 349,982,304,436.86 and 139,426,766,069.72

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Solution

The fourth proportional to 253,610,202,389.72, 349,982,304,436.86 and 139,426,766,069.72 is: 192,409,060,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,610,202,389.72 : 349,982,304,436.86 = 139,426,766,069.72 : x
  2. Step 2: Convert to fraction form
    253,610,202,389.72/349,982,304,436.86 = 139,426,766,069.72/x
  3. Step 3: Cross multiply
    253,610,202,389.72x = 349,982,304,436.86 × 139,426,766,069.72
  4. Step 4: Simplify right side
    253,610,202,389.72x = 48,796,900,889,259,602,345,984
  5. Step 5: Solve for x
    x = 48,796,900,889,259,602,345,984/253,610,202,389.72
  6. Step 6: Final answer
    x = 192,409,060,950.45

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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.