Home / 373,505,428.80-560,258,143.20-368,403,595.20

Finding the Fourth Proportional to 373,505,428.80, 560,258,143.20 and 368,403,595.20

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Solution

The fourth proportional to 373,505,428.80, 560,258,143.20 and 368,403,595.20 is: 552,605,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,505,428.80 : 560,258,143.20 = 368,403,595.20 : x
  2. Step 2: Convert to fraction form
    373,505,428.80/560,258,143.20 = 368,403,595.20/x
  3. Step 3: Cross multiply
    373,505,428.80x = 560,258,143.20 × 368,403,595.20
  4. Step 4: Simplify right side
    373,505,428.80x = 206,401,114,194,956,448
  5. Step 5: Solve for x
    x = 206,401,114,194,956,448/373,505,428.80
  6. Step 6: Final answer
    x = 552,605,392.80

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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.