Home / 415,259,779.60-622,889,669.40-108,582,893.20

Finding the Fourth Proportional to 415,259,779.60, 622,889,669.40 and 108,582,893.20

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Solution

The fourth proportional to 415,259,779.60, 622,889,669.40 and 108,582,893.20 is: 162,874,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,259,779.60 : 622,889,669.40 = 108,582,893.20 : x
  2. Step 2: Convert to fraction form
    415,259,779.60/622,889,669.40 = 108,582,893.20/x
  3. Step 3: Cross multiply
    415,259,779.60x = 622,889,669.40 × 108,582,893.20
  4. Step 4: Simplify right side
    415,259,779.60x = 67,635,162,447,843,504
  5. Step 5: Solve for x
    x = 67,635,162,447,843,504/415,259,779.60
  6. Step 6: Final answer
    x = 162,874,339.80

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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.