Home / 1,664,988,893,637.90-2,496,998,833,105.40-644,878,904,979.52

Finding the Fourth Proportional to 1,664,988,893,637.90, 2,496,998,833,105.40 and 644,878,904,979.52

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Solution

The fourth proportional to 1,664,988,893,637.90, 2,496,998,833,105.40 and 644,878,904,979.52 is: 967,130,699,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,988,893,637.90 : 2,496,998,833,105.40 = 644,878,904,979.52 : x
  2. Step 2: Convert to fraction form
    1,664,988,893,637.90/2,496,998,833,105.40 = 644,878,904,979.52/x
  3. Step 3: Cross multiply
    1,664,988,893,637.90x = 2,496,998,833,105.40 × 644,878,904,979.52
  4. Step 4: Simplify right side
    1,664,988,893,637.90x = 1,610,261,873,228,149,533,179,904
  5. Step 5: Solve for x
    x = 1,610,261,873,228,149,533,179,904/1,664,988,893,637.90
  6. Step 6: Final answer
    x = 967,130,699,418.56

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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.