Home / 13,556,980,588.32-18,708,156,043.28-7,453,288,707.84

Finding the Fourth Proportional to 13,556,980,588.32, 18,708,156,043.28 and 7,453,288,707.84

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Solution

The fourth proportional to 13,556,980,588.32, 18,708,156,043.28 and 7,453,288,707.84 is: 10,285,276,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556,980,588.32 : 18,708,156,043.28 = 7,453,288,707.84 : x
  2. Step 2: Convert to fraction form
    13,556,980,588.32/18,708,156,043.28 = 7,453,288,707.84/x
  3. Step 3: Cross multiply
    13,556,980,588.32x = 18,708,156,043.28 × 7,453,288,707.84
  4. Step 4: Simplify right side
    13,556,980,588.32x = 139,437,288,181,887,467,520
  5. Step 5: Solve for x
    x = 139,437,288,181,887,467,520/13,556,980,588.32
  6. Step 6: Final answer
    x = 10,285,276,081.46

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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.