Home / 806,826,169.12-1,113,461,487.12-493,461,960.16

Finding the Fourth Proportional to 806,826,169.12, 1,113,461,487.12 and 493,461,960.16

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Solution

The fourth proportional to 806,826,169.12, 1,113,461,487.12 and 493,461,960.16 is: 681,002,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,826,169.12 : 1,113,461,487.12 = 493,461,960.16 : x
  2. Step 2: Convert to fraction form
    806,826,169.12/1,113,461,487.12 = 493,461,960.16/x
  3. Step 3: Cross multiply
    806,826,169.12x = 1,113,461,487.12 × 493,461,960.16
  4. Step 4: Simplify right side
    806,826,169.12x = 549,450,887,996,903,744
  5. Step 5: Solve for x
    x = 549,450,887,996,903,744/806,826,169.12
  6. Step 6: Final answer
    x = 681,002,809.56

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1.5x scale

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.