Home / 807,206,312.56-1,113,944,668.69-435,928,308.16

Finding the Fourth Proportional to 807,206,312.56, 1,113,944,668.69 and 435,928,308.16

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Solution

The fourth proportional to 807,206,312.56, 1,113,944,668.69 and 435,928,308.16 is: 601,581,042.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,206,312.56 : 1,113,944,668.69 = 435,928,308.16 : x
  2. Step 2: Convert to fraction form
    807,206,312.56/1,113,944,668.69 = 435,928,308.16/x
  3. Step 3: Cross multiply
    807,206,312.56x = 1,113,944,668.69 × 435,928,308.16
  4. Step 4: Simplify right side
    807,206,312.56x = 485,600,014,805,883,456
  5. Step 5: Solve for x
    x = 485,600,014,805,883,456/807,206,312.56
  6. Step 6: Final answer
    x = 601,581,042.23

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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.