Home / 1,311,217,966,874.50-1,809,359,362,541.50-725,255,201,022.34

Finding the Fourth Proportional to 1,311,217,966,874.50, 1,809,359,362,541.50 and 725,255,201,022.34

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Solution

The fourth proportional to 1,311,217,966,874.50, 1,809,359,362,541.50 and 725,255,201,022.34 is: 1,000,785,011,609.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,217,966,874.50 : 1,809,359,362,541.50 = 725,255,201,022.34 : x
  2. Step 2: Convert to fraction form
    1,311,217,966,874.50/1,809,359,362,541.50 = 725,255,201,022.34/x
  3. Step 3: Cross multiply
    1,311,217,966,874.50x = 1,809,359,362,541.50 × 725,255,201,022.34
  4. Step 4: Simplify right side
    1,311,217,966,874.50x = 1,312,247,288,201,688,362,516,480
  5. Step 5: Solve for x
    x = 1,312,247,288,201,688,362,516,480/1,311,217,966,874.50
  6. Step 6: Final answer
    x = 1,000,785,011,609.96

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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.