Home / 472,094,855.20-708,590,180.40-290,696,327.20

Finding the Fourth Proportional to 472,094,855.20, 708,590,180.40 and 290,696,327.20

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Solution

The fourth proportional to 472,094,855.20, 708,590,180.40 and 290,696,327.20 is: 436,320,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,094,855.20 : 708,590,180.40 = 290,696,327.20 : x
  2. Step 2: Convert to fraction form
    472,094,855.20/708,590,180.40 = 290,696,327.20/x
  3. Step 3: Cross multiply
    472,094,855.20x = 708,590,180.40 × 290,696,327.20
  4. Step 4: Simplify right side
    472,094,855.20x = 205,984,562,932,265,408
  5. Step 5: Solve for x
    x = 205,984,562,932,265,408/472,094,855.20
  6. Step 6: Final answer
    x = 436,320,287.47

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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.