Home / 14,556,672,685.40-21,835,009,028.10-12,138,025,645.40

Finding the Fourth Proportional to 14,556,672,685.40, 21,835,009,028.10 and 12,138,025,645.40

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Solution

The fourth proportional to 14,556,672,685.40, 21,835,009,028.10 and 12,138,025,645.40 is: 18,207,038,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556,672,685.40 : 21,835,009,028.10 = 12,138,025,645.40 : x
  2. Step 2: Convert to fraction form
    14,556,672,685.40/21,835,009,028.10 = 12,138,025,645.40/x
  3. Step 3: Cross multiply
    14,556,672,685.40x = 21,835,009,028.10 × 12,138,025,645.40
  4. Step 4: Simplify right side
    14,556,672,685.40x = 265,033,899,550,618,288,128
  5. Step 5: Solve for x
    x = 265,033,899,550,618,288,128/14,556,672,685.40
  6. Step 6: Final answer
    x = 18,207,038,468.10

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Double scale
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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.