Home / 264,266,598.30-396,399,897.45-72,790,374.30

Finding the Fourth Proportional to 264,266,598.30, 396,399,897.45 and 72,790,374.30

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Solution

The fourth proportional to 264,266,598.30, 396,399,897.45 and 72,790,374.30 is: 109,185,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,266,598.30 : 396,399,897.45 = 72,790,374.30 : x
  2. Step 2: Convert to fraction form
    264,266,598.30/396,399,897.45 = 72,790,374.30/x
  3. Step 3: Cross multiply
    264,266,598.30x = 396,399,897.45 × 72,790,374.30
  4. Step 4: Simplify right side
    264,266,598.30x = 28,854,096,907,867,112
  5. Step 5: Solve for x
    x = 28,854,096,907,867,112/264,266,598.30
  6. Step 6: Final answer
    x = 109,185,561.45

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1.5x scale

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.