Home / 8,729,213,239.45-13,102,097,987.72-5,402,966,240.48

Finding the Fourth Proportional to 8,729,213,239.45, 13,102,097,987.72 and 5,402,966,240.48

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Solution

The fourth proportional to 8,729,213,239.45, 13,102,097,987.72 and 5,402,966,240.48 is: 8,109,573,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,213,239.45 : 13,102,097,987.72 = 5,402,966,240.48 : x
  2. Step 2: Convert to fraction form
    8,729,213,239.45/13,102,097,987.72 = 5,402,966,240.48/x
  3. Step 3: Cross multiply
    8,729,213,239.45x = 13,102,097,987.72 × 5,402,966,240.48
  4. Step 4: Simplify right side
    8,729,213,239.45x = 70,790,193,107,112,091,648
  5. Step 5: Solve for x
    x = 70,790,193,107,112,091,648/8,729,213,239.45
  6. Step 6: Final answer
    x = 8,109,573,127.07

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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.