Home / 2,989,095,760.65-4,481,909,000.40-1,415,189,853.27

Finding the Fourth Proportional to 2,989,095,760.65, 4,481,909,000.40 and 1,415,189,853.27

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Solution

The fourth proportional to 2,989,095,760.65, 4,481,909,000.40 and 1,415,189,853.27 is: 2,121,963,512.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,095,760.65 : 4,481,909,000.40 = 1,415,189,853.27 : x
  2. Step 2: Convert to fraction form
    2,989,095,760.65/4,481,909,000.40 = 1,415,189,853.27/x
  3. Step 3: Cross multiply
    2,989,095,760.65x = 4,481,909,000.40 × 1,415,189,853.27
  4. Step 4: Simplify right side
    2,989,095,760.65x = 6,342,752,140,645,567,488
  5. Step 5: Solve for x
    x = 6,342,752,140,645,567,488/2,989,095,760.65
  6. Step 6: Final answer
    x = 2,121,963,512.89

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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.