Home / 1,230,274,666.31-1,697,596,403.54-747,215,241.80

Finding the Fourth Proportional to 1,230,274,666.31, 1,697,596,403.54 and 747,215,241.80

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Solution

The fourth proportional to 1,230,274,666.31, 1,697,596,403.54 and 747,215,241.80 is: 1,031,046,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,274,666.31 : 1,697,596,403.54 = 747,215,241.80 : x
  2. Step 2: Convert to fraction form
    1,230,274,666.31/1,697,596,403.54 = 747,215,241.80/x
  3. Step 3: Cross multiply
    1,230,274,666.31x = 1,697,596,403.54 × 747,215,241.80
  4. Step 4: Simplify right side
    1,230,274,666.31x = 1,268,469,907,137,727,488
  5. Step 5: Solve for x
    x = 1,268,469,907,137,727,488/1,230,274,666.31
  6. Step 6: Final answer
    x = 1,031,046,108.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.