Home / 1,128,502,181.43-1,557,146,154.88-652,236,900.17

Finding the Fourth Proportional to 1,128,502,181.43, 1,557,146,154.88 and 652,236,900.17

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Solution

The fourth proportional to 1,128,502,181.43, 1,557,146,154.88 and 652,236,900.17 is: 899,978,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,502,181.43 : 1,557,146,154.88 = 652,236,900.17 : x
  2. Step 2: Convert to fraction form
    1,128,502,181.43/1,557,146,154.88 = 652,236,900.17/x
  3. Step 3: Cross multiply
    1,128,502,181.43x = 1,557,146,154.88 × 652,236,900.17
  4. Step 4: Simplify right side
    1,128,502,181.43x = 1,015,628,181,170,565,888
  5. Step 5: Solve for x
    x = 1,015,628,181,170,565,888/1,128,502,181.43
  6. Step 6: Final answer
    x = 899,978,925.95

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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.