Home / 1,128,502,185.18-1,557,146,160.06-652,236,903.91

Finding the Fourth Proportional to 1,128,502,185.18, 1,557,146,160.06 and 652,236,903.91

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Solution

The fourth proportional to 1,128,502,185.18, 1,557,146,160.06 and 652,236,903.91 is: 899,978,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,502,185.18 : 1,557,146,160.06 = 652,236,903.91 : x
  2. Step 2: Convert to fraction form
    1,128,502,185.18/1,557,146,160.06 = 652,236,903.91/x
  3. Step 3: Cross multiply
    1,128,502,185.18x = 1,557,146,160.06 × 652,236,903.91
  4. Step 4: Simplify right side
    1,128,502,185.18x = 1,015,628,190,372,879,616
  5. Step 5: Solve for x
    x = 1,015,628,190,372,879,616/1,128,502,185.18
  6. Step 6: Final answer
    x = 899,978,931.11

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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.