Home / 872,431,311.78-1,203,949,495.35-496,087,927.02

Finding the Fourth Proportional to 872,431,311.78, 1,203,949,495.35 and 496,087,927.02

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Solution

The fourth proportional to 872,431,311.78, 1,203,949,495.35 and 496,087,927.02 is: 684,598,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,431,311.78 : 1,203,949,495.35 = 496,087,927.02 : x
  2. Step 2: Convert to fraction form
    872,431,311.78/1,203,949,495.35 = 496,087,927.02/x
  3. Step 3: Cross multiply
    872,431,311.78x = 1,203,949,495.35 × 496,087,927.02
  4. Step 4: Simplify right side
    872,431,311.78x = 597,264,809,384,956,544
  5. Step 5: Solve for x
    x = 597,264,809,384,956,544/872,431,311.78
  6. Step 6: Final answer
    x = 684,598,089.64

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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.