Home / 18,852,312,999.86-28,281,375,153.47-6,427,737,917.63

Finding the Fourth Proportional to 18,852,312,999.86, 28,281,375,153.47 and 6,427,737,917.63

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Solution

The fourth proportional to 18,852,312,999.86, 28,281,375,153.47 and 6,427,737,917.63 is: 9,642,597,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852,312,999.86 : 28,281,375,153.47 = 6,427,737,917.63 : x
  2. Step 2: Convert to fraction form
    18,852,312,999.86/28,281,375,153.47 = 6,427,737,917.63/x
  3. Step 3: Cross multiply
    18,852,312,999.86x = 28,281,375,153.47 × 6,427,737,917.63
  4. Step 4: Simplify right side
    18,852,312,999.86x = 181,785,267,436,678,086,656
  5. Step 5: Solve for x
    x = 181,785,267,436,678,086,656/18,852,312,999.86
  6. Step 6: Final answer
    x = 9,642,597,565.51

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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.