Home / 704,077,008.20-1,056,115,512.30-643,561,065.80

Finding the Fourth Proportional to 704,077,008.20, 1,056,115,512.30 and 643,561,065.80

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Solution

The fourth proportional to 704,077,008.20, 1,056,115,512.30 and 643,561,065.80 is: 965,341,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,077,008.20 : 1,056,115,512.30 = 643,561,065.80 : x
  2. Step 2: Convert to fraction form
    704,077,008.20/1,056,115,512.30 = 643,561,065.80/x
  3. Step 3: Cross multiply
    704,077,008.20x = 1,056,115,512.30 × 643,561,065.80
  4. Step 4: Simplify right side
    704,077,008.20x = 679,674,824,703,700,992
  5. Step 5: Solve for x
    x = 679,674,824,703,700,992/704,077,008.20
  6. Step 6: Final answer
    x = 965,341,598.70

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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.