Home / 19,893,591,339.20-27,465,545,669.28-12,663,718,174.40

Finding the Fourth Proportional to 19,893,591,339.20, 27,465,545,669.28 and 12,663,718,174.40

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Solution

The fourth proportional to 19,893,591,339.20, 27,465,545,669.28 and 12,663,718,174.40 is: 17,483,817,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893,591,339.20 : 27,465,545,669.28 = 12,663,718,174.40 : x
  2. Step 2: Convert to fraction form
    19,893,591,339.20/27,465,545,669.28 = 12,663,718,174.40/x
  3. Step 3: Cross multiply
    19,893,591,339.20x = 27,465,545,669.28 × 12,663,718,174.40
  4. Step 4: Simplify right side
    19,893,591,339.20x = 347,815,929,861,874,319,360
  5. Step 5: Solve for x
    x = 347,815,929,861,874,319,360/19,893,591,339.20
  6. Step 6: Final answer
    x = 17,483,817,975.92

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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.