Home / 651,877,268,642.40-977,815,672,818.95-174,334,155,309.68

Finding the Fourth Proportional to 651,877,268,642.40, 977,815,672,818.95 and 174,334,155,309.68

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Solution

The fourth proportional to 651,877,268,642.40, 977,815,672,818.95 and 174,334,155,309.68 is: 261,501,171,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,877,268,642.40 : 977,815,672,818.95 = 174,334,155,309.68 : x
  2. Step 2: Convert to fraction form
    651,877,268,642.40/977,815,672,818.95 = 174,334,155,309.68/x
  3. Step 3: Cross multiply
    651,877,268,642.40x = 977,815,672,818.95 × 174,334,155,309.68
  4. Step 4: Simplify right side
    651,877,268,642.40x = 170,466,669,369,458,069,340,160
  5. Step 5: Solve for x
    x = 170,466,669,369,458,069,340,160/651,877,268,642.40
  6. Step 6: Final answer
    x = 261,501,171,416.01

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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.