Home / 404,275,538.40-606,413,307.60-145,499,200.80

Finding the Fourth Proportional to 404,275,538.40, 606,413,307.60 and 145,499,200.80

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Solution

The fourth proportional to 404,275,538.40, 606,413,307.60 and 145,499,200.80 is: 218,248,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,275,538.40 : 606,413,307.60 = 145,499,200.80 : x
  2. Step 2: Convert to fraction form
    404,275,538.40/606,413,307.60 = 145,499,200.80/x
  3. Step 3: Cross multiply
    404,275,538.40x = 606,413,307.60 × 145,499,200.80
  4. Step 4: Simplify right side
    404,275,538.40x = 88,232,651,610,284,576
  5. Step 5: Solve for x
    x = 88,232,651,610,284,576/404,275,538.40
  6. Step 6: Final answer
    x = 218,248,801.20

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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.