Home / 15,571,619,267.99-21,488,390,490.96-9,141,335,846.57

Finding the Fourth Proportional to 15,571,619,267.99, 21,488,390,490.96 and 9,141,335,846.57

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Solution

The fourth proportional to 15,571,619,267.99, 21,488,390,490.96 and 9,141,335,846.57 is: 12,614,782,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571,619,267.99 : 21,488,390,490.96 = 9,141,335,846.57 : x
  2. Step 2: Convert to fraction form
    15,571,619,267.99/21,488,390,490.96 = 9,141,335,846.57/x
  3. Step 3: Cross multiply
    15,571,619,267.99x = 21,488,390,490.96 × 9,141,335,846.57
  4. Step 4: Simplify right side
    15,571,619,267.99x = 196,432,594,280,160,296,960
  5. Step 5: Solve for x
    x = 196,432,594,280,160,296,960/15,571,619,267.99
  6. Step 6: Final answer
    x = 12,614,782,759.56

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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.