Home / 763,392,002.80-1,145,088,004.20-188,963,330.80

Finding the Fourth Proportional to 763,392,002.80, 1,145,088,004.20 and 188,963,330.80

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Solution

The fourth proportional to 763,392,002.80, 1,145,088,004.20 and 188,963,330.80 is: 283,444,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,392,002.80 : 1,145,088,004.20 = 188,963,330.80 : x
  2. Step 2: Convert to fraction form
    763,392,002.80/1,145,088,004.20 = 188,963,330.80/x
  3. Step 3: Cross multiply
    763,392,002.80x = 1,145,088,004.20 × 188,963,330.80
  4. Step 4: Simplify right side
    763,392,002.80x = 216,379,643,332,756,416
  5. Step 5: Solve for x
    x = 216,379,643,332,756,416/763,392,002.80
  6. Step 6: Final answer
    x = 283,444,996.20

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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.