Home / 631,019,648.16-946,484,631.90-194,274,791.34

Finding the Fourth Proportional to 631,019,648.16, 946,484,631.90 and 194,274,791.34

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Solution

The fourth proportional to 631,019,648.16, 946,484,631.90 and 194,274,791.34 is: 291,398,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,019,648.16 : 946,484,631.90 = 194,274,791.34 : x
  2. Step 2: Convert to fraction form
    631,019,648.16/946,484,631.90 = 194,274,791.34/x
  3. Step 3: Cross multiply
    631,019,648.16x = 946,484,631.90 × 194,274,791.34
  4. Step 4: Simplify right side
    631,019,648.16x = 183,878,104,368,889,216
  5. Step 5: Solve for x
    x = 183,878,104,368,889,216/631,019,648.16
  6. Step 6: Final answer
    x = 291,398,381.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.