Home / 691,092,109.70-1,036,638,164.55-432,811,783.70

Finding the Fourth Proportional to 691,092,109.70, 1,036,638,164.55 and 432,811,783.70

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Solution

The fourth proportional to 691,092,109.70, 1,036,638,164.55 and 432,811,783.70 is: 649,217,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,092,109.70 : 1,036,638,164.55 = 432,811,783.70 : x
  2. Step 2: Convert to fraction form
    691,092,109.70/1,036,638,164.55 = 432,811,783.70/x
  3. Step 3: Cross multiply
    691,092,109.70x = 1,036,638,164.55 × 432,811,783.70
  4. Step 4: Simplify right side
    691,092,109.70x = 448,669,213,050,379,584
  5. Step 5: Solve for x
    x = 448,669,213,050,379,584/691,092,109.70
  6. Step 6: Final answer
    x = 649,217,675.55

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Half scale
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Double scale
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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.