Home / 11,711,416,963.17-16,161,302,121.87-6,358,854,813.78

Finding the Fourth Proportional to 11,711,416,963.17, 16,161,302,121.87 and 6,358,854,813.78

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Solution

The fourth proportional to 11,711,416,963.17, 16,161,302,121.87 and 6,358,854,813.78 is: 8,774,973,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711,416,963.17 : 16,161,302,121.87 = 6,358,854,813.78 : x
  2. Step 2: Convert to fraction form
    11,711,416,963.17/16,161,302,121.87 = 6,358,854,813.78/x
  3. Step 3: Cross multiply
    11,711,416,963.17x = 16,161,302,121.87 × 6,358,854,813.78
  4. Step 4: Simplify right side
    11,711,416,963.17x = 102,767,373,794,605,973,504
  5. Step 5: Solve for x
    x = 102,767,373,794,605,973,504/11,711,416,963.17
  6. Step 6: Final answer
    x = 8,774,973,525.22

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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.