Home / 598,771,324.90-898,156,987.35-339,886,512.10

Finding the Fourth Proportional to 598,771,324.90, 898,156,987.35 and 339,886,512.10

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Solution

The fourth proportional to 598,771,324.90, 898,156,987.35 and 339,886,512.10 is: 509,829,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,771,324.90 : 898,156,987.35 = 339,886,512.10 : x
  2. Step 2: Convert to fraction form
    598,771,324.90/898,156,987.35 = 339,886,512.10/x
  3. Step 3: Cross multiply
    598,771,324.90x = 898,156,987.35 × 339,886,512.10
  4. Step 4: Simplify right side
    598,771,324.90x = 305,271,445,748,635,328
  5. Step 5: Solve for x
    x = 305,271,445,748,635,328/598,771,324.90
  6. Step 6: Final answer
    x = 509,829,768.15

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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.