Home / 691,092,058.20-1,036,638,087.30-432,811,732.20

Finding the Fourth Proportional to 691,092,058.20, 1,036,638,087.30 and 432,811,732.20

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Solution

The fourth proportional to 691,092,058.20, 1,036,638,087.30 and 432,811,732.20 is: 649,217,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,092,058.20 : 1,036,638,087.30 = 432,811,732.20 : x
  2. Step 2: Convert to fraction form
    691,092,058.20/1,036,638,087.30 = 432,811,732.20/x
  3. Step 3: Cross multiply
    691,092,058.20x = 1,036,638,087.30 × 432,811,732.20
  4. Step 4: Simplify right side
    691,092,058.20x = 448,669,126,228,807,808
  5. Step 5: Solve for x
    x = 448,669,126,228,807,808/691,092,058.20
  6. Step 6: Final answer
    x = 649,217,598.30

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Similar ratio
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1.5x scale

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.