Home / 13,856,050,057.89-19,121,491,175.58-7,512,430,159.65

Finding the Fourth Proportional to 13,856,050,057.89, 19,121,491,175.58 and 7,512,430,159.65

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Solution

The fourth proportional to 13,856,050,057.89, 19,121,491,175.58 and 7,512,430,159.65 is: 10,367,230,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,050,057.89 : 19,121,491,175.58 = 7,512,430,159.65 : x
  2. Step 2: Convert to fraction form
    13,856,050,057.89/19,121,491,175.58 = 7,512,430,159.65/x
  3. Step 3: Cross multiply
    13,856,050,057.89x = 19,121,491,175.58 × 7,512,430,159.65
  4. Step 4: Simplify right side
    13,856,050,057.89x = 143,648,867,004,908,535,808
  5. Step 5: Solve for x
    x = 143,648,867,004,908,535,808/13,856,050,057.89
  6. Step 6: Final answer
    x = 10,367,230,661.32

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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.