Home / 715,392,801.10-1,073,089,201.65-255,345,978.70

Finding the Fourth Proportional to 715,392,801.10, 1,073,089,201.65 and 255,345,978.70

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Solution

The fourth proportional to 715,392,801.10, 1,073,089,201.65 and 255,345,978.70 is: 383,018,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,392,801.10 : 1,073,089,201.65 = 255,345,978.70 : x
  2. Step 2: Convert to fraction form
    715,392,801.10/1,073,089,201.65 = 255,345,978.70/x
  3. Step 3: Cross multiply
    715,392,801.10x = 1,073,089,201.65 × 255,345,978.70
  4. Step 4: Simplify right side
    715,392,801.10x = 274,009,012,427,720,896
  5. Step 5: Solve for x
    x = 274,009,012,427,720,896/715,392,801.10
  6. Step 6: Final answer
    x = 383,018,968.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.