Home / 623,485,664.70-935,312,477.85-214,667,130.30

Finding the Fourth Proportional to 623,485,664.70, 935,312,477.85 and 214,667,130.30

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Solution

The fourth proportional to 623,485,664.70, 935,312,477.85 and 214,667,130.30 is: 322,029,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,485,664.70 : 935,312,477.85 = 214,667,130.30 : x
  2. Step 2: Convert to fraction form
    623,485,664.70/935,312,477.85 = 214,667,130.30/x
  3. Step 3: Cross multiply
    623,485,664.70x = 935,312,477.85 × 214,667,130.30
  4. Step 4: Simplify right side
    623,485,664.70x = 200,780,845,553,841,824
  5. Step 5: Solve for x
    x = 200,780,845,553,841,824/623,485,664.70
  6. Step 6: Final answer
    x = 322,029,610.18

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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.