Home / 403,708,889.70-605,563,334.55-220,042,880.10

Finding the Fourth Proportional to 403,708,889.70, 605,563,334.55 and 220,042,880.10

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Solution

The fourth proportional to 403,708,889.70, 605,563,334.55 and 220,042,880.10 is: 330,064,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,708,889.70 : 605,563,334.55 = 220,042,880.10 : x
  2. Step 2: Convert to fraction form
    403,708,889.70/605,563,334.55 = 220,042,880.10/x
  3. Step 3: Cross multiply
    403,708,889.70x = 605,563,334.55 × 220,042,880.10
  4. Step 4: Simplify right side
    403,708,889.70x = 133,249,900,217,341,824
  5. Step 5: Solve for x
    x = 133,249,900,217,341,824/403,708,889.70
  6. Step 6: Final answer
    x = 330,064,320.15

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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.