Home / 695,714,666.80-1,043,572,000.20-286,560,209.20

Finding the Fourth Proportional to 695,714,666.80, 1,043,572,000.20 and 286,560,209.20

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Solution

The fourth proportional to 695,714,666.80, 1,043,572,000.20 and 286,560,209.20 is: 429,840,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,714,666.80 : 1,043,572,000.20 = 286,560,209.20 : x
  2. Step 2: Convert to fraction form
    695,714,666.80/1,043,572,000.20 = 286,560,209.20/x
  3. Step 3: Cross multiply
    695,714,666.80x = 1,043,572,000.20 × 286,560,209.20
  4. Step 4: Simplify right side
    695,714,666.80x = 299,046,210,692,574,464
  5. Step 5: Solve for x
    x = 299,046,210,692,574,464/695,714,666.80
  6. Step 6: Final answer
    x = 429,840,313.80

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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.