Home / 715,392,801.60-1,073,089,202.40-255,345,979.20

Finding the Fourth Proportional to 715,392,801.60, 1,073,089,202.40 and 255,345,979.20

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Solution

The fourth proportional to 715,392,801.60, 1,073,089,202.40 and 255,345,979.20 is: 383,018,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,392,801.60 : 1,073,089,202.40 = 255,345,979.20 : x
  2. Step 2: Convert to fraction form
    715,392,801.60/1,073,089,202.40 = 255,345,979.20/x
  3. Step 3: Cross multiply
    715,392,801.60x = 1,073,089,202.40 × 255,345,979.20
  4. Step 4: Simplify right side
    715,392,801.60x = 274,009,013,155,774,976
  5. Step 5: Solve for x
    x = 274,009,013,155,774,976/715,392,801.60
  6. Step 6: Final answer
    x = 383,018,968.80

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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.