Home / 293,419,403.60-440,129,105.40-264,194,085.20

Finding the Fourth Proportional to 293,419,403.60, 440,129,105.40 and 264,194,085.20

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Solution

The fourth proportional to 293,419,403.60, 440,129,105.40 and 264,194,085.20 is: 396,291,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,419,403.60 : 440,129,105.40 = 264,194,085.20 : x
  2. Step 2: Convert to fraction form
    293,419,403.60/440,129,105.40 = 264,194,085.20/x
  3. Step 3: Cross multiply
    293,419,403.60x = 440,129,105.40 × 264,194,085.20
  4. Step 4: Simplify right side
    293,419,403.60x = 116,279,506,371,047,376
  5. Step 5: Solve for x
    x = 116,279,506,371,047,376/293,419,403.60
  6. Step 6: Final answer
    x = 396,291,127.80

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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.