Home / 1,164,920,920.48-1,747,387,913.04-388,564,449.92

Finding the Fourth Proportional to 1,164,920,920.48, 1,747,387,913.04 and 388,564,449.92

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Solution

The fourth proportional to 1,164,920,920.48, 1,747,387,913.04 and 388,564,449.92 is: 582,848,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,920,920.48 : 1,747,387,913.04 = 388,564,449.92 : x
  2. Step 2: Convert to fraction form
    1,164,920,920.48/1,747,387,913.04 = 388,564,449.92/x
  3. Step 3: Cross multiply
    1,164,920,920.48x = 1,747,387,913.04 × 388,564,449.92
  4. Step 4: Simplify right side
    1,164,920,920.48x = 678,972,823,227,244,416
  5. Step 5: Solve for x
    x = 678,972,823,227,244,416/1,164,920,920.48
  6. Step 6: Final answer
    x = 582,848,853.76

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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.