Home / 526,272,463,570.15-726,260,263,940.80-291,631,670,883.80

Finding the Fourth Proportional to 526,272,463,570.15, 726,260,263,940.80 and 291,631,670,883.80

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Solution

The fourth proportional to 526,272,463,570.15, 726,260,263,940.80 and 291,631,670,883.80 is: 402,454,068,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,272,463,570.15 : 726,260,263,940.80 = 291,631,670,883.80 : x
  2. Step 2: Convert to fraction form
    526,272,463,570.15/726,260,263,940.80 = 291,631,670,883.80/x
  3. Step 3: Cross multiply
    526,272,463,570.15x = 726,260,263,940.80 × 291,631,670,883.80
  4. Step 4: Simplify right side
    526,272,463,570.15x = 211,800,494,269,565,109,272,576
  5. Step 5: Solve for x
    x = 211,800,494,269,565,109,272,576/526,272,463,570.15
  6. Step 6: Final answer
    x = 402,454,068,815.88

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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.