Home / 15,392,064,278.40-23,088,096,417.60-13,188,072,163.20

Finding the Fourth Proportional to 15,392,064,278.40, 23,088,096,417.60 and 13,188,072,163.20

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Solution

The fourth proportional to 15,392,064,278.40, 23,088,096,417.60 and 13,188,072,163.20 is: 19,782,108,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392,064,278.40 : 23,088,096,417.60 = 13,188,072,163.20 : x
  2. Step 2: Convert to fraction form
    15,392,064,278.40/23,088,096,417.60 = 13,188,072,163.20/x
  3. Step 3: Cross multiply
    15,392,064,278.40x = 23,088,096,417.60 × 13,188,072,163.20
  4. Step 4: Simplify right side
    15,392,064,278.40x = 304,487,481,666,228,191,232
  5. Step 5: Solve for x
    x = 304,487,481,666,228,191,232/15,392,064,278.40
  6. Step 6: Final answer
    x = 19,782,108,244.80

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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.