Home / 1,692,300,980.60-2,538,451,470.90-1,401,496,465.40

Finding the Fourth Proportional to 1,692,300,980.60, 2,538,451,470.90 and 1,401,496,465.40

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Solution

The fourth proportional to 1,692,300,980.60, 2,538,451,470.90 and 1,401,496,465.40 is: 2,102,244,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,300,980.60 : 2,538,451,470.90 = 1,401,496,465.40 : x
  2. Step 2: Convert to fraction form
    1,692,300,980.60/2,538,451,470.90 = 1,401,496,465.40/x
  3. Step 3: Cross multiply
    1,692,300,980.60x = 2,538,451,470.90 × 1,401,496,465.40
  4. Step 4: Simplify right side
    1,692,300,980.60x = 3,557,630,764,055,781,376
  5. Step 5: Solve for x
    x = 3,557,630,764,055,781,376/1,692,300,980.60
  6. Step 6: Final answer
    x = 2,102,244,698.10

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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.