Home / 928,113,605.46-1,284,169,398.86-809,283,986.03

Finding the Fourth Proportional to 928,113,605.46, 1,284,169,398.86 and 809,283,986.03

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Solution

The fourth proportional to 928,113,605.46, 1,284,169,398.86 and 809,283,986.03 is: 1,119,752,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,113,605.46 : 1,284,169,398.86 = 809,283,986.03 : x
  2. Step 2: Convert to fraction form
    928,113,605.46/1,284,169,398.86 = 809,283,986.03/x
  3. Step 3: Cross multiply
    928,113,605.46x = 1,284,169,398.86 × 809,283,986.03
  4. Step 4: Simplify right side
    928,113,605.46x = 1,039,257,729,852,403,328
  5. Step 5: Solve for x
    x = 1,039,257,729,852,403,328/928,113,605.46
  6. Step 6: Final answer
    x = 1,119,752,715.33

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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.