Home / 805,302,371.93-1,111,299,854.79-466,225,146.54

Finding the Fourth Proportional to 805,302,371.93, 1,111,299,854.79 and 466,225,146.54

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Solution

The fourth proportional to 805,302,371.93, 1,111,299,854.79 and 466,225,146.54 is: 643,380,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,302,371.93 : 1,111,299,854.79 = 466,225,146.54 : x
  2. Step 2: Convert to fraction form
    805,302,371.93/1,111,299,854.79 = 466,225,146.54/x
  3. Step 3: Cross multiply
    805,302,371.93x = 1,111,299,854.79 × 466,225,146.54
  4. Step 4: Simplify right side
    805,302,371.93x = 518,115,937,651,073,536
  5. Step 5: Solve for x
    x = 518,115,937,651,073,536/805,302,371.93
  6. Step 6: Final answer
    x = 643,380,617.91

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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.