Home / 496,786,155.40-745,179,233.10-169,631,075.80

Finding the Fourth Proportional to 496,786,155.40, 745,179,233.10 and 169,631,075.80

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Solution

The fourth proportional to 496,786,155.40, 745,179,233.10 and 169,631,075.80 is: 254,446,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,786,155.40 : 745,179,233.10 = 169,631,075.80 : x
  2. Step 2: Convert to fraction form
    496,786,155.40/745,179,233.10 = 169,631,075.80/x
  3. Step 3: Cross multiply
    496,786,155.40x = 745,179,233.10 × 169,631,075.80
  4. Step 4: Simplify right side
    496,786,155.40x = 126,405,554,974,571,984
  5. Step 5: Solve for x
    x = 126,405,554,974,571,984/496,786,155.40
  6. Step 6: Final answer
    x = 254,446,613.70

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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.