Home / 2,802,565,666.80-4,200,978,718.80-1,637,434,418.40

Finding the Fourth Proportional to 2,802,565,666.80, 4,200,978,718.80 and 1,637,434,418.40

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Solution

The fourth proportional to 2,802,565,666.80, 4,200,978,718.80 and 1,637,434,418.40 is: 2,454,474,921.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802,565,666.80 : 4,200,978,718.80 = 1,637,434,418.40 : x
  2. Step 2: Convert to fraction form
    2,802,565,666.80/4,200,978,718.80 = 1,637,434,418.40/x
  3. Step 3: Cross multiply
    2,802,565,666.80x = 4,200,978,718.80 × 1,637,434,418.40
  4. Step 4: Simplify right side
    2,802,565,666.80x = 6,878,827,145,129,056,256
  5. Step 5: Solve for x
    x = 6,878,827,145,129,056,256/2,802,565,666.80
  6. Step 6: Final answer
    x = 2,454,474,921.54

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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.