Home / 548,385,917.03-756,772,565.51-313,441,622.10

Finding the Fourth Proportional to 548,385,917.03, 756,772,565.51 and 313,441,622.10

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Solution

The fourth proportional to 548,385,917.03, 756,772,565.51 and 313,441,622.10 is: 432,549,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,385,917.03 : 756,772,565.51 = 313,441,622.10 : x
  2. Step 2: Convert to fraction form
    548,385,917.03/756,772,565.51 = 313,441,622.10/x
  3. Step 3: Cross multiply
    548,385,917.03x = 756,772,565.51 × 313,441,622.10
  4. Step 4: Simplify right side
    548,385,917.03x = 237,204,020,492,665,728
  5. Step 5: Solve for x
    x = 237,204,020,492,665,728/548,385,917.03
  6. Step 6: Final answer
    x = 432,549,438.50

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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.