Home / 1,516,476,145.60-2,274,714,218.40-1,257,983,243.20

Finding the Fourth Proportional to 1,516,476,145.60, 2,274,714,218.40 and 1,257,983,243.20

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Solution

The fourth proportional to 1,516,476,145.60, 2,274,714,218.40 and 1,257,983,243.20 is: 1,886,974,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,476,145.60 : 2,274,714,218.40 = 1,257,983,243.20 : x
  2. Step 2: Convert to fraction form
    1,516,476,145.60/2,274,714,218.40 = 1,257,983,243.20/x
  3. Step 3: Cross multiply
    1,516,476,145.60x = 2,274,714,218.40 × 1,257,983,243.20
  4. Step 4: Simplify right side
    1,516,476,145.60x = 2,861,552,369,815,985,152
  5. Step 5: Solve for x
    x = 2,861,552,369,815,985,152/1,516,476,145.60
  6. Step 6: Final answer
    x = 1,886,974,864.80

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Double scale
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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.