Home / 1,311,217,966,875.10-1,809,359,362,542.50-725,255,201,022.93

Finding the Fourth Proportional to 1,311,217,966,875.10, 1,809,359,362,542.50 and 725,255,201,022.93

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Solution

The fourth proportional to 1,311,217,966,875.10, 1,809,359,362,542.50 and 725,255,201,022.93 is: 1,000,785,011,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,217,966,875.10 : 1,809,359,362,542.50 = 725,255,201,022.93 : x
  2. Step 2: Convert to fraction form
    1,311,217,966,875.10/1,809,359,362,542.50 = 725,255,201,022.93/x
  3. Step 3: Cross multiply
    1,311,217,966,875.10x = 1,809,359,362,542.50 × 725,255,201,022.93
  4. Step 4: Simplify right side
    1,311,217,966,875.10x = 1,312,247,288,203,481,511,362,560
  5. Step 5: Solve for x
    x = 1,312,247,288,203,481,511,362,560/1,311,217,966,875.10
  6. Step 6: Final answer
    x = 1,000,785,011,610.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.