Home / 463,320,963.57-639,395,415.78-272,595,294.40

Finding the Fourth Proportional to 463,320,963.57, 639,395,415.78 and 272,595,294.40

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Solution

The fourth proportional to 463,320,963.57, 639,395,415.78 and 272,595,294.40 is: 376,188,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,320,963.57 : 639,395,415.78 = 272,595,294.40 : x
  2. Step 2: Convert to fraction form
    463,320,963.57/639,395,415.78 = 272,595,294.40/x
  3. Step 3: Cross multiply
    463,320,963.57x = 639,395,415.78 × 272,595,294.40
  4. Step 4: Simplify right side
    463,320,963.57x = 174,296,181,602,559,488
  5. Step 5: Solve for x
    x = 174,296,181,602,559,488/463,320,963.57
  6. Step 6: Final answer
    x = 376,188,852.45

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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.