Home / 402,518,515.20-603,777,772.80-363,776,466.30

Finding the Fourth Proportional to 402,518,515.20, 603,777,772.80 and 363,776,466.30

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Solution

The fourth proportional to 402,518,515.20, 603,777,772.80 and 363,776,466.30 is: 545,664,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,518,515.20 : 603,777,772.80 = 363,776,466.30 : x
  2. Step 2: Convert to fraction form
    402,518,515.20/603,777,772.80 = 363,776,466.30/x
  3. Step 3: Cross multiply
    402,518,515.20x = 603,777,772.80 × 363,776,466.30
  4. Step 4: Simplify right side
    402,518,515.20x = 219,640,144,619,668,256
  5. Step 5: Solve for x
    x = 219,640,144,619,668,256/402,518,515.20
  6. Step 6: Final answer
    x = 545,664,699.45

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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.