Home / 1,335,528,091.60-2,003,292,137.40-1,187,574,917.20

Finding the Fourth Proportional to 1,335,528,091.60, 2,003,292,137.40 and 1,187,574,917.20

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Solution

The fourth proportional to 1,335,528,091.60, 2,003,292,137.40 and 1,187,574,917.20 is: 1,781,362,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,528,091.60 : 2,003,292,137.40 = 1,187,574,917.20 : x
  2. Step 2: Convert to fraction form
    1,335,528,091.60/2,003,292,137.40 = 1,187,574,917.20/x
  3. Step 3: Cross multiply
    1,335,528,091.60x = 2,003,292,137.40 × 1,187,574,917.20
  4. Step 4: Simplify right side
    1,335,528,091.60x = 2,379,059,494,200,216,064
  5. Step 5: Solve for x
    x = 2,379,059,494,200,216,064/1,335,528,091.60
  6. Step 6: Final answer
    x = 1,781,362,375.80

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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.