Home / 1,128,502,178.90-1,557,146,151.40-652,236,897.64

Finding the Fourth Proportional to 1,128,502,178.90, 1,557,146,151.40 and 652,236,897.64

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Solution

The fourth proportional to 1,128,502,178.90, 1,557,146,151.40 and 652,236,897.64 is: 899,978,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,502,178.90 : 1,557,146,151.40 = 652,236,897.64 : x
  2. Step 2: Convert to fraction form
    1,128,502,178.90/1,557,146,151.40 = 652,236,897.64/x
  3. Step 3: Cross multiply
    1,128,502,178.90x = 1,557,146,151.40 × 652,236,897.64
  4. Step 4: Simplify right side
    1,128,502,178.90x = 1,015,628,174,961,143,040
  5. Step 5: Solve for x
    x = 1,015,628,174,961,143,040/1,128,502,178.90
  6. Step 6: Final answer
    x = 899,978,922.46

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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.