Home / 21,248,892,622.60-31,893,746,268.30-18,146,977,793.80

Finding the Fourth Proportional to 21,248,892,622.60, 31,893,746,268.30 and 18,146,977,793.80

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Solution

The fourth proportional to 21,248,892,622.60, 31,893,746,268.30 and 18,146,977,793.80 is: 27,237,894,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,892,622.60 : 31,893,746,268.30 = 18,146,977,793.80 : x
  2. Step 2: Convert to fraction form
    21,248,892,622.60/31,893,746,268.30 = 18,146,977,793.80/x
  3. Step 3: Cross multiply
    21,248,892,622.60x = 31,893,746,268.30 × 18,146,977,793.80
  4. Step 4: Simplify right side
    21,248,892,622.60x = 578,775,105,291,931,680,768
  5. Step 5: Solve for x
    x = 578,775,105,291,931,680,768/21,248,892,622.60
  6. Step 6: Final answer
    x = 27,237,894,961.00

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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.