Home / 695,714,663.80-1,043,571,995.70-286,560,206.20

Finding the Fourth Proportional to 695,714,663.80, 1,043,571,995.70 and 286,560,206.20

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Solution

The fourth proportional to 695,714,663.80, 1,043,571,995.70 and 286,560,206.20 is: 429,840,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,714,663.80 : 1,043,571,995.70 = 286,560,206.20 : x
  2. Step 2: Convert to fraction form
    695,714,663.80/1,043,571,995.70 = 286,560,206.20/x
  3. Step 3: Cross multiply
    695,714,663.80x = 1,043,571,995.70 × 286,560,206.20
  4. Step 4: Simplify right side
    695,714,663.80x = 299,046,206,272,337,536
  5. Step 5: Solve for x
    x = 299,046,206,272,337,536/695,714,663.80
  6. Step 6: Final answer
    x = 429,840,309.30

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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.