Home / 20,576,484,476.62-30,866,214,301.80-8,612,704,495.92

Finding the Fourth Proportional to 20,576,484,476.62, 30,866,214,301.80 and 8,612,704,495.92

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Solution

The fourth proportional to 20,576,484,476.62, 30,866,214,301.80 and 8,612,704,495.92 is: 12,919,679,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576,484,476.62 : 30,866,214,301.80 = 8,612,704,495.92 : x
  2. Step 2: Convert to fraction form
    20,576,484,476.62/30,866,214,301.80 = 8,612,704,495.92/x
  3. Step 3: Cross multiply
    20,576,484,476.62x = 30,866,214,301.80 × 8,612,704,495.92
  4. Step 4: Simplify right side
    20,576,484,476.62x = 265,841,582,689,099,972,608
  5. Step 5: Solve for x
    x = 265,841,582,689,099,972,608/20,576,484,476.62
  6. Step 6: Final answer
    x = 12,919,679,403.50

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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.