Home / 666,097,938.92-919,226,041.26-364,678,223.06

Finding the Fourth Proportional to 666,097,938.92, 919,226,041.26 and 364,678,223.06

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Solution

The fourth proportional to 666,097,938.92, 919,226,041.26 and 364,678,223.06 is: 503,261,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,097,938.92 : 919,226,041.26 = 364,678,223.06 : x
  2. Step 2: Convert to fraction form
    666,097,938.92/919,226,041.26 = 364,678,223.06/x
  3. Step 3: Cross multiply
    666,097,938.92x = 919,226,041.26 × 364,678,223.06
  4. Step 4: Simplify right side
    666,097,938.92x = 335,221,719,317,175,040
  5. Step 5: Solve for x
    x = 335,221,719,317,175,040/666,097,938.92
  6. Step 6: Final answer
    x = 503,261,907.49

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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.