Home / 28,937,948,329.28-43,392,018,406.08-12,988,611,833.24

Finding the Fourth Proportional to 28,937,948,329.28, 43,392,018,406.08 and 12,988,611,833.24

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Solution

The fourth proportional to 28,937,948,329.28, 43,392,018,406.08 and 12,988,611,833.24 is: 19,476,228,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937,948,329.28 : 43,392,018,406.08 = 12,988,611,833.24 : x
  2. Step 2: Convert to fraction form
    28,937,948,329.28/43,392,018,406.08 = 12,988,611,833.24/x
  3. Step 3: Cross multiply
    28,937,948,329.28x = 43,392,018,406.08 × 12,988,611,833.24
  4. Step 4: Simplify right side
    28,937,948,329.28x = 563,602,083,737,378,553,856
  5. Step 5: Solve for x
    x = 563,602,083,737,378,553,856/28,937,948,329.28
  6. Step 6: Final answer
    x = 19,476,228,145.97

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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.