Home / 20,301,317,787.65-30,439,565,225.21-9,680,790,426.23

Finding the Fourth Proportional to 20,301,317,787.65, 30,439,565,225.21 and 9,680,790,426.23

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Solution

The fourth proportional to 20,301,317,787.65, 30,439,565,225.21 and 9,680,790,426.23 is: 14,515,267,170.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301,317,787.65 : 30,439,565,225.21 = 9,680,790,426.23 : x
  2. Step 2: Convert to fraction form
    20,301,317,787.65/30,439,565,225.21 = 9,680,790,426.23/x
  3. Step 3: Cross multiply
    20,301,317,787.65x = 30,439,565,225.21 × 9,680,790,426.23
  4. Step 4: Simplify right side
    20,301,317,787.65x = 294,679,051,610,934,444,032
  5. Step 5: Solve for x
    x = 294,679,051,610,934,444,032/20,301,317,787.65
  6. Step 6: Final answer
    x = 14,515,267,170.99

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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.