Home / 1,679,685,381.90-2,519,528,072.85-515,333,580.30

Finding the Fourth Proportional to 1,679,685,381.90, 2,519,528,072.85 and 515,333,580.30

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Solution

The fourth proportional to 1,679,685,381.90, 2,519,528,072.85 and 515,333,580.30 is: 773,000,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,685,381.90 : 2,519,528,072.85 = 515,333,580.30 : x
  2. Step 2: Convert to fraction form
    1,679,685,381.90/2,519,528,072.85 = 515,333,580.30/x
  3. Step 3: Cross multiply
    1,679,685,381.90x = 2,519,528,072.85 × 515,333,580.30
  4. Step 4: Simplify right side
    1,679,685,381.90x = 1,298,397,422,448,149,760
  5. Step 5: Solve for x
    x = 1,298,397,422,448,149,760/1,679,685,381.90
  6. Step 6: Final answer
    x = 773,000,370.45

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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.