Home / 346,642,183.14-478,087,283.12-304,736,648.78

Finding the Fourth Proportional to 346,642,183.14, 478,087,283.12 and 304,736,648.78

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Solution

The fourth proportional to 346,642,183.14, 478,087,283.12 and 304,736,648.78 is: 420,291,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,642,183.14 : 478,087,283.12 = 304,736,648.78 : x
  2. Step 2: Convert to fraction form
    346,642,183.14/478,087,283.12 = 304,736,648.78/x
  3. Step 3: Cross multiply
    346,642,183.14x = 478,087,283.12 × 304,736,648.78
  4. Step 4: Simplify right side
    346,642,183.14x = 145,690,716,478,409,728
  5. Step 5: Solve for x
    x = 145,690,716,478,409,728/346,642,183.14
  6. Step 6: Final answer
    x = 420,291,365.46

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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.