Home / 21,248,892,758.60-31,893,746,472.30-18,146,977,929.80

Finding the Fourth Proportional to 21,248,892,758.60, 31,893,746,472.30 and 18,146,977,929.80

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Solution

The fourth proportional to 21,248,892,758.60, 31,893,746,472.30 and 18,146,977,929.80 is: 27,237,895,165.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,892,758.60 : 31,893,746,472.30 = 18,146,977,929.80 : x
  2. Step 2: Convert to fraction form
    21,248,892,758.60/31,893,746,472.30 = 18,146,977,929.80/x
  3. Step 3: Cross multiply
    21,248,892,758.60x = 31,893,746,472.30 × 18,146,977,929.80
  4. Step 4: Simplify right side
    21,248,892,758.60x = 578,775,113,331,464,667,136
  5. Step 5: Solve for x
    x = 578,775,113,331,464,667,136/21,248,892,758.60
  6. Step 6: Final answer
    x = 27,237,895,165.02

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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.