Home / 1,157,238,962.12-1,596,988,554.06-628,603,367.96

Finding the Fourth Proportional to 1,157,238,962.12, 1,596,988,554.06 and 628,603,367.96

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Solution

The fourth proportional to 1,157,238,962.12, 1,596,988,554.06 and 628,603,367.96 is: 867,471,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,238,962.12 : 1,596,988,554.06 = 628,603,367.96 : x
  2. Step 2: Convert to fraction form
    1,157,238,962.12/1,596,988,554.06 = 628,603,367.96/x
  3. Step 3: Cross multiply
    1,157,238,962.12x = 1,596,988,554.06 × 628,603,367.96
  4. Step 4: Simplify right side
    1,157,238,962.12x = 1,003,872,383,675,686,528
  5. Step 5: Solve for x
    x = 1,003,872,383,675,686,528/1,157,238,962.12
  6. Step 6: Final answer
    x = 867,471,988.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.