Home / 807,206,313.06-1,113,944,669.39-435,928,308.66

Finding the Fourth Proportional to 807,206,313.06, 1,113,944,669.39 and 435,928,308.66

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Solution

The fourth proportional to 807,206,313.06, 1,113,944,669.39 and 435,928,308.66 is: 601,581,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,206,313.06 : 1,113,944,669.39 = 435,928,308.66 : x
  2. Step 2: Convert to fraction form
    807,206,313.06/1,113,944,669.39 = 435,928,308.66/x
  3. Step 3: Cross multiply
    807,206,313.06x = 1,113,944,669.39 × 435,928,308.66
  4. Step 4: Simplify right side
    807,206,313.06x = 485,600,015,668,005,632
  5. Step 5: Solve for x
    x = 485,600,015,668,005,632/807,206,313.06
  6. Step 6: Final answer
    x = 601,581,042.93

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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.