Home / 631,626,180.32-871,585,633.32-349,362,546.50

Finding the Fourth Proportional to 631,626,180.32, 871,585,633.32 and 349,362,546.50

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Solution

The fourth proportional to 631,626,180.32, 871,585,633.32 and 349,362,546.50 is: 482,087,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,626,180.32 : 871,585,633.32 = 349,362,546.50 : x
  2. Step 2: Convert to fraction form
    631,626,180.32/871,585,633.32 = 349,362,546.50/x
  3. Step 3: Cross multiply
    631,626,180.32x = 871,585,633.32 × 349,362,546.50
  4. Step 4: Simplify right side
    631,626,180.32x = 304,499,376,349,490,496
  5. Step 5: Solve for x
    x = 304,499,376,349,490,496/631,626,180.32
  6. Step 6: Final answer
    x = 482,087,959.36

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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.