Home / 1,335,528,043.35-2,003,292,065.03-1,187,574,868.95

Finding the Fourth Proportional to 1,335,528,043.35, 2,003,292,065.03 and 1,187,574,868.95

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Solution

The fourth proportional to 1,335,528,043.35, 2,003,292,065.03 and 1,187,574,868.95 is: 1,781,362,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,528,043.35 : 2,003,292,065.03 = 1,187,574,868.95 : x
  2. Step 2: Convert to fraction form
    1,335,528,043.35/2,003,292,065.03 = 1,187,574,868.95/x
  3. Step 3: Cross multiply
    1,335,528,043.35x = 2,003,292,065.03 × 1,187,574,868.95
  4. Step 4: Simplify right side
    1,335,528,043.35x = 2,379,059,311,590,639,616
  5. Step 5: Solve for x
    x = 2,379,059,311,590,639,616/1,335,528,043.35
  6. Step 6: Final answer
    x = 1,781,362,303.43

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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.