Home / 813,427,203.49-1,122,652,244.97-496,071,563.77

Finding the Fourth Proportional to 813,427,203.49, 1,122,652,244.97 and 496,071,563.77

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Solution

The fourth proportional to 813,427,203.49, 1,122,652,244.97 and 496,071,563.77 is: 684,653,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,427,203.49 : 1,122,652,244.97 = 496,071,563.77 : x
  2. Step 2: Convert to fraction form
    813,427,203.49/1,122,652,244.97 = 496,071,563.77/x
  3. Step 3: Cross multiply
    813,427,203.49x = 1,122,652,244.97 × 496,071,563.77
  4. Step 4: Simplify right side
    813,427,203.49x = 556,915,854,732,169,024
  5. Step 5: Solve for x
    x = 556,915,854,732,169,024/813,427,203.49
  6. Step 6: Final answer
    x = 684,653,589.58

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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.