Home / 1,664,988,893,565-2,496,998,832,996.20-644,878,904,906.37

Finding the Fourth Proportional to 1,664,988,893,565, 2,496,998,832,996.20 and 644,878,904,906.37

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Solution

The fourth proportional to 1,664,988,893,565, 2,496,998,832,996.20 and 644,878,904,906.37 is: 967,130,699,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,988,893,565 : 2,496,998,832,996.20 = 644,878,904,906.37 : x
  2. Step 2: Convert to fraction form
    1,664,988,893,565/2,496,998,832,996.20 = 644,878,904,906.37/x
  3. Step 3: Cross multiply
    1,664,988,893,565x = 2,496,998,832,996.20 × 644,878,904,906.37
  4. Step 4: Simplify right side
    1,664,988,893,565x = 1,610,261,872,975,073,417,101,312
  5. Step 5: Solve for x
    x = 1,610,261,872,975,073,417,101,312/1,664,988,893,565
  6. Step 6: Final answer
    x = 967,130,699,308.90

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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.