Home / 472,565,400.30-708,848,100.45-408,864,408.30

Finding the Fourth Proportional to 472,565,400.30, 708,848,100.45 and 408,864,408.30

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Solution

The fourth proportional to 472,565,400.30, 708,848,100.45 and 408,864,408.30 is: 613,296,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,565,400.30 : 708,848,100.45 = 408,864,408.30 : x
  2. Step 2: Convert to fraction form
    472,565,400.30/708,848,100.45 = 408,864,408.30/x
  3. Step 3: Cross multiply
    472,565,400.30x = 708,848,100.45 × 408,864,408.30
  4. Step 4: Simplify right side
    472,565,400.30x = 289,822,759,165,068,224
  5. Step 5: Solve for x
    x = 289,822,759,165,068,224/472,565,400.30
  6. Step 6: Final answer
    x = 613,296,612.45

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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.