Home / 8,779,102,168.86-12,115,172,990.25-4,764,772,499.90

Finding the Fourth Proportional to 8,779,102,168.86, 12,115,172,990.25 and 4,764,772,499.90

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Solution

The fourth proportional to 8,779,102,168.86, 12,115,172,990.25 and 4,764,772,499.90 is: 6,575,392,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,102,168.86 : 12,115,172,990.25 = 4,764,772,499.90 : x
  2. Step 2: Convert to fraction form
    8,779,102,168.86/12,115,172,990.25 = 4,764,772,499.90/x
  3. Step 3: Cross multiply
    8,779,102,168.86x = 12,115,172,990.25 × 4,764,772,499.90
  4. Step 4: Simplify right side
    8,779,102,168.86x = 57,726,043,095,413,882,880
  5. Step 5: Solve for x
    x = 57,726,043,095,413,882,880/8,779,102,168.86
  6. Step 6: Final answer
    x = 6,575,392,561.23

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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.