Home / 395,039,266.92-545,343,226.02-263,099,831.40

Finding the Fourth Proportional to 395,039,266.92, 545,343,226.02 and 263,099,831.40

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Solution

The fourth proportional to 395,039,266.92, 545,343,226.02 and 263,099,831.40 is: 363,203,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,039,266.92 : 545,343,226.02 = 263,099,831.40 : x
  2. Step 2: Convert to fraction form
    395,039,266.92/545,343,226.02 = 263,099,831.40/x
  3. Step 3: Cross multiply
    395,039,266.92x = 545,343,226.02 × 263,099,831.40
  4. Step 4: Simplify right side
    395,039,266.92x = 143,479,710,820,994,096
  5. Step 5: Solve for x
    x = 143,479,710,820,994,096/395,039,266.92
  6. Step 6: Final answer
    x = 363,203,668.18

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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.