Home / 631,019,649.16-946,484,633.40-194,274,792.34

Finding the Fourth Proportional to 631,019,649.16, 946,484,633.40 and 194,274,792.34

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Solution

The fourth proportional to 631,019,649.16, 946,484,633.40 and 194,274,792.34 is: 291,398,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,019,649.16 : 946,484,633.40 = 194,274,792.34 : x
  2. Step 2: Convert to fraction form
    631,019,649.16/946,484,633.40 = 194,274,792.34/x
  3. Step 3: Cross multiply
    631,019,649.16x = 946,484,633.40 × 194,274,792.34
  4. Step 4: Simplify right side
    631,019,649.16x = 183,878,105,606,786,016
  5. Step 5: Solve for x
    x = 183,878,105,606,786,016/631,019,649.16
  6. Step 6: Final answer
    x = 291,398,383.32

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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.