Home / 11,711,416,971.90-16,161,302,133.90-6,358,854,822.60

Finding the Fourth Proportional to 11,711,416,971.90, 16,161,302,133.90 and 6,358,854,822.60

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Solution

The fourth proportional to 11,711,416,971.90, 16,161,302,133.90 and 6,358,854,822.60 is: 8,774,973,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711,416,971.90 : 16,161,302,133.90 = 6,358,854,822.60 : x
  2. Step 2: Convert to fraction form
    11,711,416,971.90/16,161,302,133.90 = 6,358,854,822.60/x
  3. Step 3: Cross multiply
    11,711,416,971.90x = 16,161,302,133.90 × 6,358,854,822.60
  4. Step 4: Simplify right side
    11,711,416,971.90x = 102,767,374,013,645,684,736
  5. Step 5: Solve for x
    x = 102,767,374,013,645,684,736/11,711,416,971.90
  6. Step 6: Final answer
    x = 8,774,973,537.38

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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.