Home / 11,796,810,101.65-16,283,477,539.30-9,389,907,612.51

Finding the Fourth Proportional to 11,796,810,101.65, 16,283,477,539.30 and 9,389,907,612.51

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Solution

The fourth proportional to 11,796,810,101.65, 16,283,477,539.30 and 9,389,907,612.51 is: 12,961,160,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796,810,101.65 : 16,283,477,539.30 = 9,389,907,612.51 : x
  2. Step 2: Convert to fraction form
    11,796,810,101.65/16,283,477,539.30 = 9,389,907,612.51/x
  3. Step 3: Cross multiply
    11,796,810,101.65x = 16,283,477,539.30 × 9,389,907,612.51
  4. Step 4: Simplify right side
    11,796,810,101.65x = 152,900,349,704,408,662,016
  5. Step 5: Solve for x
    x = 152,900,349,704,408,662,016/11,796,810,101.65
  6. Step 6: Final answer
    x = 12,961,160,549.92

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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.