Home / 413,728,985.20-620,593,477.80-183,453,631.60

Finding the Fourth Proportional to 413,728,985.20, 620,593,477.80 and 183,453,631.60

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Solution

The fourth proportional to 413,728,985.20, 620,593,477.80 and 183,453,631.60 is: 275,180,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,728,985.20 : 620,593,477.80 = 183,453,631.60 : x
  2. Step 2: Convert to fraction form
    413,728,985.20/620,593,477.80 = 183,453,631.60/x
  3. Step 3: Cross multiply
    413,728,985.20x = 620,593,477.80 × 183,453,631.60
  4. Step 4: Simplify right side
    413,728,985.20x = 113,850,127,249,683,968
  5. Step 5: Solve for x
    x = 113,850,127,249,683,968/413,728,985.20
  6. Step 6: Final answer
    x = 275,180,447.40

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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.