Home / 424,235,635.85-585,714,157.52-290,497,351.86

Finding the Fourth Proportional to 424,235,635.85, 585,714,157.52 and 290,497,351.86

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Solution

The fourth proportional to 424,235,635.85, 585,714,157.52 and 290,497,351.86 is: 401,070,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,235,635.85 : 585,714,157.52 = 290,497,351.86 : x
  2. Step 2: Convert to fraction form
    424,235,635.85/585,714,157.52 = 290,497,351.86/x
  3. Step 3: Cross multiply
    424,235,635.85x = 585,714,157.52 × 290,497,351.86
  4. Step 4: Simplify right side
    424,235,635.85x = 170,148,411,705,018,432
  5. Step 5: Solve for x
    x = 170,148,411,705,018,432/424,235,635.85
  6. Step 6: Final answer
    x = 401,070,530.92

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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.