Home / 430,529,884.65-594,314,891.37-289,482,859.80

Finding the Fourth Proportional to 430,529,884.65, 594,314,891.37 and 289,482,859.80

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Solution

The fourth proportional to 430,529,884.65, 594,314,891.37 and 289,482,859.80 is: 399,609,830.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,529,884.65 : 594,314,891.37 = 289,482,859.80 : x
  2. Step 2: Convert to fraction form
    430,529,884.65/594,314,891.37 = 289,482,859.80/x
  3. Step 3: Cross multiply
    430,529,884.65x = 594,314,891.37 × 289,482,859.80
  4. Step 4: Simplify right side
    430,529,884.65x = 172,043,974,375,513,952
  5. Step 5: Solve for x
    x = 172,043,974,375,513,952/430,529,884.65
  6. Step 6: Final answer
    x = 399,609,830.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.