Home / 581,855,398.30-802,977,456.90-317,554,354.05

Finding the Fourth Proportional to 581,855,398.30, 802,977,456.90 and 317,554,354.05

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Solution

The fourth proportional to 581,855,398.30, 802,977,456.90 and 317,554,354.05 is: 438,234,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,855,398.30 : 802,977,456.90 = 317,554,354.05 : x
  2. Step 2: Convert to fraction form
    581,855,398.30/802,977,456.90 = 317,554,354.05/x
  3. Step 3: Cross multiply
    581,855,398.30x = 802,977,456.90 × 317,554,354.05
  4. Step 4: Simplify right side
    581,855,398.30x = 254,988,987,638,576,320
  5. Step 5: Solve for x
    x = 254,988,987,638,576,320/581,855,398.30
  6. Step 6: Final answer
    x = 438,234,290.48

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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.