Home / 668,272,554.72-1,003,392,842.76-373,744,721.52

Finding the Fourth Proportional to 668,272,554.72, 1,003,392,842.76 and 373,744,721.52

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Solution

The fourth proportional to 668,272,554.72, 1,003,392,842.76 and 373,744,721.52 is: 561,167,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,272,554.72 : 1,003,392,842.76 = 373,744,721.52 : x
  2. Step 2: Convert to fraction form
    668,272,554.72/1,003,392,842.76 = 373,744,721.52/x
  3. Step 3: Cross multiply
    668,272,554.72x = 1,003,392,842.76 × 373,744,721.52
  4. Step 4: Simplify right side
    668,272,554.72x = 375,012,778,592,497,344
  5. Step 5: Solve for x
    x = 375,012,778,592,497,344/668,272,554.72
  6. Step 6: Final answer
    x = 561,167,409.83

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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.