Home / 1,129,455,882.03-1,558,686,963.89-627,685,812.62

Finding the Fourth Proportional to 1,129,455,882.03, 1,558,686,963.89 and 627,685,812.62

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Solution

The fourth proportional to 1,129,455,882.03, 1,558,686,963.89 and 627,685,812.62 is: 866,227,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,455,882.03 : 1,558,686,963.89 = 627,685,812.62 : x
  2. Step 2: Convert to fraction form
    1,129,455,882.03/1,558,686,963.89 = 627,685,812.62/x
  3. Step 3: Cross multiply
    1,129,455,882.03x = 1,558,686,963.89 × 627,685,812.62
  4. Step 4: Simplify right side
    1,129,455,882.03x = 978,365,693,543,271,040
  5. Step 5: Solve for x
    x = 978,365,693,543,271,040/1,129,455,882.03
  6. Step 6: Final answer
    x = 866,227,454.40

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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.