Home / 1,311,217,966,816-1,809,359,362,461.30-725,255,200,964.19

Finding the Fourth Proportional to 1,311,217,966,816, 1,809,359,362,461.30 and 725,255,200,964.19

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Solution

The fourth proportional to 1,311,217,966,816, 1,809,359,362,461.30 and 725,255,200,964.19 is: 1,000,785,011,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,217,966,816 : 1,809,359,362,461.30 = 725,255,200,964.19 : x
  2. Step 2: Convert to fraction form
    1,311,217,966,816/1,809,359,362,461.30 = 725,255,200,964.19/x
  3. Step 3: Cross multiply
    1,311,217,966,816x = 1,809,359,362,461.30 × 725,255,200,964.19
  4. Step 4: Simplify right side
    1,311,217,966,816x = 1,312,247,288,038,308,880,318,464
  5. Step 5: Solve for x
    x = 1,312,247,288,038,308,880,318,464/1,311,217,966,816
  6. Step 6: Final answer
    x = 1,000,785,011,530.01

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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.