Home / 12,878,696,590.94-17,760,610,630.10-8,357,741,622.12

Finding the Fourth Proportional to 12,878,696,590.94, 17,760,610,630.10 and 8,357,741,622.12

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Solution

The fourth proportional to 12,878,696,590.94, 17,760,610,630.10 and 8,357,741,622.12 is: 11,525,901,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,878,696,590.94 : 17,760,610,630.10 = 8,357,741,622.12 : x
  2. Step 2: Convert to fraction form
    12,878,696,590.94/17,760,610,630.10 = 8,357,741,622.12/x
  3. Step 3: Cross multiply
    12,878,696,590.94x = 17,760,610,630.10 × 8,357,741,622.12
  4. Step 4: Simplify right side
    12,878,696,590.94x = 148,438,594,697,411,919,872
  5. Step 5: Solve for x
    x = 148,438,594,697,411,919,872/12,878,696,590.94
  6. Step 6: Final answer
    x = 11,525,901,992.43

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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.