Home / 22,686,404,704.90-31,309,983,784.89-12,911,918,225.85

Finding the Fourth Proportional to 22,686,404,704.90, 31,309,983,784.89 and 12,911,918,225.85

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Solution

The fourth proportional to 22,686,404,704.90, 31,309,983,784.89 and 12,911,918,225.85 is: 17,820,009,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,686,404,704.90 : 31,309,983,784.89 = 12,911,918,225.85 : x
  2. Step 2: Convert to fraction form
    22,686,404,704.90/31,309,983,784.89 = 12,911,918,225.85/x
  3. Step 3: Cross multiply
    22,686,404,704.90x = 31,309,983,784.89 × 12,911,918,225.85
  4. Step 4: Simplify right side
    22,686,404,704.90x = 404,271,950,283,189,190,656
  5. Step 5: Solve for x
    x = 404,271,950,283,189,190,656/22,686,404,704.90
  6. Step 6: Final answer
    x = 17,820,009,628.76

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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.