Home / 3,979,904,762,988.50-5,970,454,060,261-1,397,872,174,338.40

Finding the Fourth Proportional to 3,979,904,762,988.50, 5,970,454,060,261 and 1,397,872,174,338.40

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Solution

The fourth proportional to 3,979,904,762,988.50, 5,970,454,060,261 and 1,397,872,174,338.40 is: 2,097,017,917,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,904,762,988.50 : 5,970,454,060,261 = 1,397,872,174,338.40 : x
  2. Step 2: Convert to fraction form
    3,979,904,762,988.50/5,970,454,060,261 = 1,397,872,174,338.40/x
  3. Step 3: Cross multiply
    3,979,904,762,988.50x = 5,970,454,060,261 × 1,397,872,174,338.40
  4. Step 4: Simplify right side
    3,979,904,762,988.50x = 8,345,931,599,004,572,617,539,584
  5. Step 5: Solve for x
    x = 8,345,931,599,004,572,617,539,584/3,979,904,762,988.50
  6. Step 6: Final answer
    x = 2,097,017,917,769.88

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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.