Home / 1,425,942,659.93-2,137,404,385.17-479,639,897.42

Finding the Fourth Proportional to 1,425,942,659.93, 2,137,404,385.17 and 479,639,897.42

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Solution

The fourth proportional to 1,425,942,659.93, 2,137,404,385.17 and 479,639,897.42 is: 718,952,065.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,942,659.93 : 2,137,404,385.17 = 479,639,897.42 : x
  2. Step 2: Convert to fraction form
    1,425,942,659.93/2,137,404,385.17 = 479,639,897.42/x
  3. Step 3: Cross multiply
    1,425,942,659.93x = 2,137,404,385.17 × 479,639,897.42
  4. Step 4: Simplify right side
    1,425,942,659.93x = 1,025,184,420,037,310,080
  5. Step 5: Solve for x
    x = 1,025,184,420,037,310,080/1,425,942,659.93
  6. Step 6: Final answer
    x = 718,952,065.08

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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.