Home / 541,868,128.78-747,798,573.36-303,717,714.87

Finding the Fourth Proportional to 541,868,128.78, 747,798,573.36 and 303,717,714.87

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Solution

The fourth proportional to 541,868,128.78, 747,798,573.36 and 303,717,714.87 is: 419,141,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,868,128.78 : 747,798,573.36 = 303,717,714.87 : x
  2. Step 2: Convert to fraction form
    541,868,128.78/747,798,573.36 = 303,717,714.87/x
  3. Step 3: Cross multiply
    541,868,128.78x = 747,798,573.36 × 303,717,714.87
  4. Step 4: Simplify right side
    541,868,128.78x = 227,119,673,883,945,280
  5. Step 5: Solve for x
    x = 227,119,673,883,945,280/541,868,128.78
  6. Step 6: Final answer
    x = 419,141,967.98

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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.