Home / 340,639,329,737.28-469,980,220,930.54-196,119,743,656.72

Finding the Fourth Proportional to 340,639,329,737.28, 469,980,220,930.54 and 196,119,743,656.72

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Solution

The fourth proportional to 340,639,329,737.28, 469,980,220,930.54 and 196,119,743,656.72 is: 270,586,489,598.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,639,329,737.28 : 469,980,220,930.54 = 196,119,743,656.72 : x
  2. Step 2: Convert to fraction form
    340,639,329,737.28/469,980,220,930.54 = 196,119,743,656.72/x
  3. Step 3: Cross multiply
    340,639,329,737.28x = 469,980,220,930.54 × 196,119,743,656.72
  4. Step 4: Simplify right side
    340,639,329,737.28x = 92,172,400,452,626,137,743,360
  5. Step 5: Solve for x
    x = 92,172,400,452,626,137,743,360/340,639,329,737.28
  6. Step 6: Final answer
    x = 270,586,489,598.00

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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.