Home / 1,428,552,774,000.30-2,142,829,161,000.40-1,319,455,164,297.80

Finding the Fourth Proportional to 1,428,552,774,000.30, 2,142,829,161,000.40 and 1,319,455,164,297.80

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Solution

The fourth proportional to 1,428,552,774,000.30, 2,142,829,161,000.40 and 1,319,455,164,297.80 is: 1,979,182,746,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,552,774,000.30 : 2,142,829,161,000.40 = 1,319,455,164,297.80 : x
  2. Step 2: Convert to fraction form
    1,428,552,774,000.30/2,142,829,161,000.40 = 1,319,455,164,297.80/x
  3. Step 3: Cross multiply
    1,428,552,774,000.30x = 2,142,829,161,000.40 × 1,319,455,164,297.80
  4. Step 4: Simplify right side
    1,428,552,774,000.30x = 2,827,367,002,689,899,744,722,944
  5. Step 5: Solve for x
    x = 2,827,367,002,689,899,744,722,944/1,428,552,774,000.30
  6. Step 6: Final answer
    x = 1,979,182,746,446.65

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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.