Home / 429,255,121.20-643,966,662.60-183,611,281.20

Finding the Fourth Proportional to 429,255,121.20, 643,966,662.60 and 183,611,281.20

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Solution

The fourth proportional to 429,255,121.20, 643,966,662.60 and 183,611,281.20 is: 275,452,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,255,121.20 : 643,966,662.60 = 183,611,281.20 : x
  2. Step 2: Convert to fraction form
    429,255,121.20/643,966,662.60 = 183,611,281.20/x
  3. Step 3: Cross multiply
    429,255,121.20x = 643,966,662.60 × 183,611,281.20
  4. Step 4: Simplify right side
    429,255,121.20x = 118,239,543,970,074,112
  5. Step 5: Solve for x
    x = 118,239,543,970,074,112/429,255,121.20
  6. Step 6: Final answer
    x = 275,452,844.08

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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.