Home / 20,163,845,255.40-30,245,767,883.10-10,865,753,519.40

Finding the Fourth Proportional to 20,163,845,255.40, 30,245,767,883.10 and 10,865,753,519.40

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Solution

The fourth proportional to 20,163,845,255.40, 30,245,767,883.10 and 10,865,753,519.40 is: 16,298,630,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163,845,255.40 : 30,245,767,883.10 = 10,865,753,519.40 : x
  2. Step 2: Convert to fraction form
    20,163,845,255.40/30,245,767,883.10 = 10,865,753,519.40/x
  3. Step 3: Cross multiply
    20,163,845,255.40x = 30,245,767,883.10 × 10,865,753,519.40
  4. Step 4: Simplify right side
    20,163,845,255.40x = 328,643,058,822,749,290,496
  5. Step 5: Solve for x
    x = 328,643,058,822,749,290,496/20,163,845,255.40
  6. Step 6: Final answer
    x = 16,298,630,279.10

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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.