Home / 660,301,821.90-988,101,270.45-574,977,329.10

Finding the Fourth Proportional to 660,301,821.90, 988,101,270.45 and 574,977,329.10

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Solution

The fourth proportional to 660,301,821.90, 988,101,270.45 and 574,977,329.10 is: 860,418,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,301,821.90 : 988,101,270.45 = 574,977,329.10 : x
  2. Step 2: Convert to fraction form
    660,301,821.90/988,101,270.45 = 574,977,329.10/x
  3. Step 3: Cross multiply
    660,301,821.90x = 988,101,270.45 × 574,977,329.10
  4. Step 4: Simplify right side
    660,301,821.90x = 568,135,829,363,657,792
  5. Step 5: Solve for x
    x = 568,135,829,363,657,792/660,301,821.90
  6. Step 6: Final answer
    x = 860,418,388.26

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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.