Home / 262,656,070.40-393,984,105.60-255,097,798.40

Finding the Fourth Proportional to 262,656,070.40, 393,984,105.60 and 255,097,798.40

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Solution

The fourth proportional to 262,656,070.40, 393,984,105.60 and 255,097,798.40 is: 382,646,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,656,070.40 : 393,984,105.60 = 255,097,798.40 : x
  2. Step 2: Convert to fraction form
    262,656,070.40/393,984,105.60 = 255,097,798.40/x
  3. Step 3: Cross multiply
    262,656,070.40x = 393,984,105.60 × 255,097,798.40
  4. Step 4: Simplify right side
    262,656,070.40x = 100,504,477,943,153,120
  5. Step 5: Solve for x
    x = 100,504,477,943,153,120/262,656,070.40
  6. Step 6: Final answer
    x = 382,646,697.60

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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.