Home / 515,023,595.44-710,722,707.92-283,236,587.44

Finding the Fourth Proportional to 515,023,595.44, 710,722,707.92 and 283,236,587.44

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Solution

The fourth proportional to 515,023,595.44, 710,722,707.92 and 283,236,587.44 is: 390,861,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,023,595.44 : 710,722,707.92 = 283,236,587.44 : x
  2. Step 2: Convert to fraction form
    515,023,595.44/710,722,707.92 = 283,236,587.44/x
  3. Step 3: Cross multiply
    515,023,595.44x = 710,722,707.92 × 283,236,587.44
  4. Step 4: Simplify right side
    515,023,595.44x = 201,302,674,407,376,640
  5. Step 5: Solve for x
    x = 201,302,674,407,376,640/515,023,595.44
  6. Step 6: Final answer
    x = 390,861,071.59

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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.