Home / 715,392,800.10-1,073,089,200.15-255,345,977.70

Finding the Fourth Proportional to 715,392,800.10, 1,073,089,200.15 and 255,345,977.70

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Solution

The fourth proportional to 715,392,800.10, 1,073,089,200.15 and 255,345,977.70 is: 383,018,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,392,800.10 : 1,073,089,200.15 = 255,345,977.70 : x
  2. Step 2: Convert to fraction form
    715,392,800.10/1,073,089,200.15 = 255,345,977.70/x
  3. Step 3: Cross multiply
    715,392,800.10x = 1,073,089,200.15 × 255,345,977.70
  4. Step 4: Simplify right side
    715,392,800.10x = 274,009,010,971,612,704
  5. Step 5: Solve for x
    x = 274,009,010,971,612,704/715,392,800.10
  6. Step 6: Final answer
    x = 383,018,966.55

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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.