Home / 442,904,231.40-664,356,347.10-270,717,347.40

Finding the Fourth Proportional to 442,904,231.40, 664,356,347.10 and 270,717,347.40

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Solution

The fourth proportional to 442,904,231.40, 664,356,347.10 and 270,717,347.40 is: 406,076,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,904,231.40 : 664,356,347.10 = 270,717,347.40 : x
  2. Step 2: Convert to fraction form
    442,904,231.40/664,356,347.10 = 270,717,347.40/x
  3. Step 3: Cross multiply
    442,904,231.40x = 664,356,347.10 × 270,717,347.40
  4. Step 4: Simplify right side
    442,904,231.40x = 179,852,788,015,265,664
  5. Step 5: Solve for x
    x = 179,852,788,015,265,664/442,904,231.40
  6. Step 6: Final answer
    x = 406,076,021.10

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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.