Home / 398,601,014.90-597,901,522.35-383,295,514.10

Finding the Fourth Proportional to 398,601,014.90, 597,901,522.35 and 383,295,514.10

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Solution

The fourth proportional to 398,601,014.90, 597,901,522.35 and 383,295,514.10 is: 574,943,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,601,014.90 : 597,901,522.35 = 383,295,514.10 : x
  2. Step 2: Convert to fraction form
    398,601,014.90/597,901,522.35 = 383,295,514.10/x
  3. Step 3: Cross multiply
    398,601,014.90x = 597,901,522.35 × 383,295,514.10
  4. Step 4: Simplify right side
    398,601,014.90x = 229,172,971,390,315,904
  5. Step 5: Solve for x
    x = 229,172,971,390,315,904/398,601,014.90
  6. Step 6: Final answer
    x = 574,943,271.15

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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.