Home / 651,877,268,641.40-977,815,672,817.45-174,334,155,308.68

Finding the Fourth Proportional to 651,877,268,641.40, 977,815,672,817.45 and 174,334,155,308.68

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Solution

The fourth proportional to 651,877,268,641.40, 977,815,672,817.45 and 174,334,155,308.68 is: 261,501,171,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,877,268,641.40 : 977,815,672,817.45 = 174,334,155,308.68 : x
  2. Step 2: Convert to fraction form
    651,877,268,641.40/977,815,672,817.45 = 174,334,155,308.68/x
  3. Step 3: Cross multiply
    651,877,268,641.40x = 977,815,672,817.45 × 174,334,155,308.68
  4. Step 4: Simplify right side
    651,877,268,641.40x = 170,466,669,368,218,736,394,240
  5. Step 5: Solve for x
    x = 170,466,669,368,218,736,394,240/651,877,268,641.40
  6. Step 6: Final answer
    x = 261,501,171,414.51

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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.