Home / 30,247,624,934.78-45,370,814,349.87-10,080,515,330.42

Finding the Fourth Proportional to 30,247,624,934.78, 45,370,814,349.87 and 10,080,515,330.42

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Solution

The fourth proportional to 30,247,624,934.78, 45,370,814,349.87 and 10,080,515,330.42 is: 15,120,565,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247,624,934.78 : 45,370,814,349.87 = 10,080,515,330.42 : x
  2. Step 2: Convert to fraction form
    30,247,624,934.78/45,370,814,349.87 = 10,080,515,330.42/x
  3. Step 3: Cross multiply
    30,247,624,934.78x = 45,370,814,349.87 × 10,080,515,330.42
  4. Step 4: Simplify right side
    30,247,624,934.78x = 457,361,189,607,277,461,504
  5. Step 5: Solve for x
    x = 457,361,189,607,277,461,504/30,247,624,934.78
  6. Step 6: Final answer
    x = 15,120,565,353.26

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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.