Home / 3,610,103,436.12-5,415,637,008.78-1,428,559,388.76

Finding the Fourth Proportional to 3,610,103,436.12, 5,415,637,008.78 and 1,428,559,388.76

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Solution

The fourth proportional to 3,610,103,436.12, 5,415,637,008.78 and 1,428,559,388.76 is: 2,143,029,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610,103,436.12 : 5,415,637,008.78 = 1,428,559,388.76 : x
  2. Step 2: Convert to fraction form
    3,610,103,436.12/5,415,637,008.78 = 1,428,559,388.76/x
  3. Step 3: Cross multiply
    3,610,103,436.12x = 5,415,637,008.78 × 1,428,559,388.76
  4. Step 4: Simplify right side
    3,610,103,436.12x = 7,736,559,095,008,791,552
  5. Step 5: Solve for x
    x = 7,736,559,095,008,791,552/3,610,103,436.12
  6. Step 6: Final answer
    x = 2,143,029,758.54

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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.