Home / 691,092,070.70-1,036,638,106.05-432,811,744.70

Finding the Fourth Proportional to 691,092,070.70, 1,036,638,106.05 and 432,811,744.70

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Solution

The fourth proportional to 691,092,070.70, 1,036,638,106.05 and 432,811,744.70 is: 649,217,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,092,070.70 : 1,036,638,106.05 = 432,811,744.70 : x
  2. Step 2: Convert to fraction form
    691,092,070.70/1,036,638,106.05 = 432,811,744.70/x
  3. Step 3: Cross multiply
    691,092,070.70x = 1,036,638,106.05 × 432,811,744.70
  4. Step 4: Simplify right side
    691,092,070.70x = 448,669,147,302,004,096
  5. Step 5: Solve for x
    x = 448,669,147,302,004,096/691,092,070.70
  6. Step 6: Final answer
    x = 649,217,617.05

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Double scale
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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.