Home / 20,079,669,689-30,123,181,980.60-8,282,352,592.16

Finding the Fourth Proportional to 20,079,669,689, 30,123,181,980.60 and 8,282,352,592.16

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Solution

The fourth proportional to 20,079,669,689, 30,123,181,980.60 and 8,282,352,592.16 is: 12,425,045,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079,669,689 : 30,123,181,980.60 = 8,282,352,592.16 : x
  2. Step 2: Convert to fraction form
    20,079,669,689/30,123,181,980.60 = 8,282,352,592.16/x
  3. Step 3: Cross multiply
    20,079,669,689x = 30,123,181,980.60 × 8,282,352,592.16
  4. Step 4: Simplify right side
    20,079,669,689x = 249,490,814,361,129,811,968
  5. Step 5: Solve for x
    x = 249,490,814,361,129,811,968/20,079,669,689
  6. Step 6: Final answer
    x = 12,425,045,741.55

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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.