Home / 547,542,858.02-755,609,140.46-300,018,897.86

Finding the Fourth Proportional to 547,542,858.02, 755,609,140.46 and 300,018,897.86

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Solution

The fourth proportional to 547,542,858.02, 755,609,140.46 and 300,018,897.86 is: 414,026,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,542,858.02 : 755,609,140.46 = 300,018,897.86 : x
  2. Step 2: Convert to fraction form
    547,542,858.02/755,609,140.46 = 300,018,897.86/x
  3. Step 3: Cross multiply
    547,542,858.02x = 755,609,140.46 × 300,018,897.86
  4. Step 4: Simplify right side
    547,542,858.02x = 226,697,021,533,751,168
  5. Step 5: Solve for x
    x = 226,697,021,533,751,168/547,542,858.02
  6. Step 6: Final answer
    x = 414,026,077.07

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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.