Home / 78,473,536,778.85-117,710,305,168.28-78,473,536,778.85

Finding the Fourth Proportional to 78,473,536,778.85, 117,710,305,168.28 and 78,473,536,778.85

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Solution

The fourth proportional to 78,473,536,778.85, 117,710,305,168.28 and 78,473,536,778.85 is: 117,710,305,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,473,536,778.85 : 117,710,305,168.28 = 78,473,536,778.85 : x
  2. Step 2: Convert to fraction form
    78,473,536,778.85/117,710,305,168.28 = 78,473,536,778.85/x
  3. Step 3: Cross multiply
    78,473,536,778.85x = 117,710,305,168.28 × 78,473,536,778.85
  4. Step 4: Simplify right side
    78,473,536,778.85x = 9,237,143,961,872,677,994,496
  5. Step 5: Solve for x
    x = 9,237,143,961,872,677,994,496/78,473,536,778.85
  6. Step 6: Final answer
    x = 117,710,305,168.28

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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.