Home / 807,206,313.18-1,113,944,669.55-435,928,308.78

Finding the Fourth Proportional to 807,206,313.18, 1,113,944,669.55 and 435,928,308.78

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Solution

The fourth proportional to 807,206,313.18, 1,113,944,669.55 and 435,928,308.78 is: 601,581,043.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,206,313.18 : 1,113,944,669.55 = 435,928,308.78 : x
  2. Step 2: Convert to fraction form
    807,206,313.18/1,113,944,669.55 = 435,928,308.78/x
  3. Step 3: Cross multiply
    807,206,313.18x = 1,113,944,669.55 × 435,928,308.78
  4. Step 4: Simplify right side
    807,206,313.18x = 485,600,015,871,427,392
  5. Step 5: Solve for x
    x = 485,600,015,871,427,392/807,206,313.18
  6. Step 6: Final answer
    x = 601,581,043.09

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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.