Home / 895,425,406.20-1,343,138,109.30-312,966,070.20

Finding the Fourth Proportional to 895,425,406.20, 1,343,138,109.30 and 312,966,070.20

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Solution

The fourth proportional to 895,425,406.20, 1,343,138,109.30 and 312,966,070.20 is: 469,449,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,425,406.20 : 1,343,138,109.30 = 312,966,070.20 : x
  2. Step 2: Convert to fraction form
    895,425,406.20/1,343,138,109.30 = 312,966,070.20/x
  3. Step 3: Cross multiply
    895,425,406.20x = 1,343,138,109.30 × 312,966,070.20
  4. Step 4: Simplify right side
    895,425,406.20x = 420,356,655,803,479,040
  5. Step 5: Solve for x
    x = 420,356,655,803,479,040/895,425,406.20
  6. Step 6: Final answer
    x = 469,449,105.30

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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.