Home / 691,092,050.20-1,036,638,075.30-432,811,724.20

Finding the Fourth Proportional to 691,092,050.20, 1,036,638,075.30 and 432,811,724.20

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Solution

The fourth proportional to 691,092,050.20, 1,036,638,075.30 and 432,811,724.20 is: 649,217,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,092,050.20 : 1,036,638,075.30 = 432,811,724.20 : x
  2. Step 2: Convert to fraction form
    691,092,050.20/1,036,638,075.30 = 432,811,724.20/x
  3. Step 3: Cross multiply
    691,092,050.20x = 1,036,638,075.30 × 432,811,724.20
  4. Step 4: Simplify right side
    691,092,050.20x = 448,669,112,741,962,368
  5. Step 5: Solve for x
    x = 448,669,112,741,962,368/691,092,050.20
  6. Step 6: Final answer
    x = 649,217,586.30

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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.