Home / 476,889,187.79-715,333,837.04-149,390,221.57

Finding the Fourth Proportional to 476,889,187.79, 715,333,837.04 and 149,390,221.57

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Solution

The fourth proportional to 476,889,187.79, 715,333,837.04 and 149,390,221.57 is: 224,085,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,889,187.79 : 715,333,837.04 = 149,390,221.57 : x
  2. Step 2: Convert to fraction form
    476,889,187.79/715,333,837.04 = 149,390,221.57/x
  3. Step 3: Cross multiply
    476,889,187.79x = 715,333,837.04 × 149,390,221.57
  4. Step 4: Simplify right side
    476,889,187.79x = 106,863,880,413,964,496
  5. Step 5: Solve for x
    x = 106,863,880,413,964,496/476,889,187.79
  6. Step 6: Final answer
    x = 224,085,349.70

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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.