Home / 28,937,948,134.60-43,392,018,115.13-12,988,611,638.27

Finding the Fourth Proportional to 28,937,948,134.60, 43,392,018,115.13 and 12,988,611,638.27

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Solution

The fourth proportional to 28,937,948,134.60, 43,392,018,115.13 and 12,988,611,638.27 is: 19,476,227,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937,948,134.60 : 43,392,018,115.13 = 12,988,611,638.27 : x
  2. Step 2: Convert to fraction form
    28,937,948,134.60/43,392,018,115.13 = 12,988,611,638.27/x
  3. Step 3: Cross multiply
    28,937,948,134.60x = 43,392,018,115.13 × 12,988,611,638.27
  4. Step 4: Simplify right side
    28,937,948,134.60x = 563,602,071,498,091,790,336
  5. Step 5: Solve for x
    x = 563,602,071,498,091,790,336/28,937,948,134.60
  6. Step 6: Final answer
    x = 19,476,227,854.05

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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.