Home / 11,711,416,960.17-16,161,302,117.73-6,358,854,810.78

Finding the Fourth Proportional to 11,711,416,960.17, 16,161,302,117.73 and 6,358,854,810.78

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Solution

The fourth proportional to 11,711,416,960.17, 16,161,302,117.73 and 6,358,854,810.78 is: 8,774,973,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711,416,960.17 : 16,161,302,117.73 = 6,358,854,810.78 : x
  2. Step 2: Convert to fraction form
    11,711,416,960.17/16,161,302,117.73 = 6,358,854,810.78/x
  3. Step 3: Cross multiply
    11,711,416,960.17x = 16,161,302,117.73 × 6,358,854,810.78
  4. Step 4: Simplify right side
    11,711,416,960.17x = 102,767,373,719,796,400,128
  5. Step 5: Solve for x
    x = 102,767,373,719,796,400,128/11,711,416,960.17
  6. Step 6: Final answer
    x = 8,774,973,521.08

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Double scale
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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.