Home / 526,485,499.51-726,541,056.13-291,531,115.45

Finding the Fourth Proportional to 526,485,499.51, 726,541,056.13 and 291,531,115.45

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Solution

The fourth proportional to 526,485,499.51, 726,541,056.13 and 291,531,115.45 is: 402,307,992.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,485,499.51 : 726,541,056.13 = 291,531,115.45 : x
  2. Step 2: Convert to fraction form
    526,485,499.51/726,541,056.13 = 291,531,115.45/x
  3. Step 3: Cross multiply
    526,485,499.51x = 726,541,056.13 × 291,531,115.45
  4. Step 4: Simplify right side
    526,485,499.51x = 211,809,324,515,650,432
  5. Step 5: Solve for x
    x = 211,809,324,515,650,432/526,485,499.51
  6. Step 6: Final answer
    x = 402,307,992.74

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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.