Home / 436,623,930.90-654,935,896.35-218,307,968.10

Finding the Fourth Proportional to 436,623,930.90, 654,935,896.35 and 218,307,968.10

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Solution

The fourth proportional to 436,623,930.90, 654,935,896.35 and 218,307,968.10 is: 327,461,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,623,930.90 : 654,935,896.35 = 218,307,968.10 : x
  2. Step 2: Convert to fraction form
    436,623,930.90/654,935,896.35 = 218,307,968.10/x
  3. Step 3: Cross multiply
    436,623,930.90x = 654,935,896.35 × 218,307,968.10
  4. Step 4: Simplify right side
    436,623,930.90x = 142,977,724,767,920,704
  5. Step 5: Solve for x
    x = 142,977,724,767,920,704/436,623,930.90
  6. Step 6: Final answer
    x = 327,461,952.15

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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.