Home / 13,520,131,726.78-20,265,884,032.29-4,547,779,517.62

Finding the Fourth Proportional to 13,520,131,726.78, 20,265,884,032.29 and 4,547,779,517.62

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Solution

The fourth proportional to 13,520,131,726.78, 20,265,884,032.29 and 4,547,779,517.62 is: 6,816,854,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,131,726.78 : 20,265,884,032.29 = 4,547,779,517.62 : x
  2. Step 2: Convert to fraction form
    13,520,131,726.78/20,265,884,032.29 = 4,547,779,517.62/x
  3. Step 3: Cross multiply
    13,520,131,726.78x = 20,265,884,032.29 × 4,547,779,517.62
  4. Step 4: Simplify right side
    13,520,131,726.78x = 92,164,772,308,510,670,848
  5. Step 5: Solve for x
    x = 92,164,772,308,510,670,848/13,520,131,726.78
  6. Step 6: Final answer
    x = 6,816,854,611.41

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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.