Home / 15,273,262,011.60-21,078,936,442.04-9,251,590,731.46

Finding the Fourth Proportional to 15,273,262,011.60, 21,078,936,442.04 and 9,251,590,731.46

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Solution

The fourth proportional to 15,273,262,011.60, 21,078,936,442.04 and 9,251,590,731.46 is: 12,768,306,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,273,262,011.60 : 21,078,936,442.04 = 9,251,590,731.46 : x
  2. Step 2: Convert to fraction form
    15,273,262,011.60/21,078,936,442.04 = 9,251,590,731.46/x
  3. Step 3: Cross multiply
    15,273,262,011.60x = 21,078,936,442.04 × 9,251,590,731.46
  4. Step 4: Simplify right side
    15,273,262,011.60x = 195,013,693,016,112,758,784
  5. Step 5: Solve for x
    x = 195,013,693,016,112,758,784/15,273,262,011.60
  6. Step 6: Final answer
    x = 12,768,306,656.95

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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.