Home / 468,048,940.04-644,867,529.18-308,995,790.24

Finding the Fourth Proportional to 468,048,940.04, 644,867,529.18 and 308,995,790.24

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Solution

The fourth proportional to 468,048,940.04, 644,867,529.18 and 308,995,790.24 is: 425,727,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,048,940.04 : 644,867,529.18 = 308,995,790.24 : x
  2. Step 2: Convert to fraction form
    468,048,940.04/644,867,529.18 = 308,995,790.24/x
  3. Step 3: Cross multiply
    468,048,940.04x = 644,867,529.18 × 308,995,790.24
  4. Step 4: Simplify right side
    468,048,940.04x = 199,261,351,779,090,336
  5. Step 5: Solve for x
    x = 199,261,351,779,090,336/468,048,940.04
  6. Step 6: Final answer
    x = 425,727,599.69

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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.