Home / 274,129,665.40-411,194,498.10-262,036,430.20

Finding the Fourth Proportional to 274,129,665.40, 411,194,498.10 and 262,036,430.20

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Solution

The fourth proportional to 274,129,665.40, 411,194,498.10 and 262,036,430.20 is: 393,054,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,129,665.40 : 411,194,498.10 = 262,036,430.20 : x
  2. Step 2: Convert to fraction form
    274,129,665.40/411,194,498.10 = 262,036,430.20/x
  3. Step 3: Cross multiply
    274,129,665.40x = 411,194,498.10 × 262,036,430.20
  4. Step 4: Simplify right side
    274,129,665.40x = 107,747,938,400,004,688
  5. Step 5: Solve for x
    x = 107,747,938,400,004,688/274,129,665.40
  6. Step 6: Final answer
    x = 393,054,645.30

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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.