Home / 872,431,308.53-1,203,949,490.87-496,087,923.77

Finding the Fourth Proportional to 872,431,308.53, 1,203,949,490.87 and 496,087,923.77

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Solution

The fourth proportional to 872,431,308.53, 1,203,949,490.87 and 496,087,923.77 is: 684,598,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,431,308.53 : 1,203,949,490.87 = 496,087,923.77 : x
  2. Step 2: Convert to fraction form
    872,431,308.53/1,203,949,490.87 = 496,087,923.77/x
  3. Step 3: Cross multiply
    872,431,308.53x = 1,203,949,490.87 × 496,087,923.77
  4. Step 4: Simplify right side
    872,431,308.53x = 597,264,803,247,166,464
  5. Step 5: Solve for x
    x = 597,264,803,247,166,464/872,431,308.53
  6. Step 6: Final answer
    x = 684,598,085.15

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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.