Home / 403,615,441.80-605,423,162.70-352,597,105.80

Finding the Fourth Proportional to 403,615,441.80, 605,423,162.70 and 352,597,105.80

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Solution

The fourth proportional to 403,615,441.80, 605,423,162.70 and 352,597,105.80 is: 528,895,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,615,441.80 : 605,423,162.70 = 352,597,105.80 : x
  2. Step 2: Convert to fraction form
    403,615,441.80/605,423,162.70 = 352,597,105.80/x
  3. Step 3: Cross multiply
    403,615,441.80x = 605,423,162.70 × 352,597,105.80
  4. Step 4: Simplify right side
    403,615,441.80x = 213,470,454,952,302,528
  5. Step 5: Solve for x
    x = 213,470,454,952,302,528/403,615,441.80
  6. Step 6: Final answer
    x = 528,895,658.70

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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.