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Finding the Fourth Proportional to 10,456,128,045.30, 15,684,192,067.95 and 10,456,128,045.30

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Solution

The fourth proportional to 10,456,128,045.30, 15,684,192,067.95 and 10,456,128,045.30 is: 15,684,192,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456,128,045.30 : 15,684,192,067.95 = 10,456,128,045.30 : x
  2. Step 2: Convert to fraction form
    10,456,128,045.30/15,684,192,067.95 = 10,456,128,045.30/x
  3. Step 3: Cross multiply
    10,456,128,045.30x = 15,684,192,067.95 × 10,456,128,045.30
  4. Step 4: Simplify right side
    10,456,128,045.30x = 163,995,920,549,563,793,408
  5. Step 5: Solve for x
    x = 163,995,920,549,563,793,408/10,456,128,045.30
  6. Step 6: Final answer
    x = 15,684,192,067.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.