Home / 2,080,139,342.40-3,120,209,013.60-699,494,990.40

Finding the Fourth Proportional to 2,080,139,342.40, 3,120,209,013.60 and 699,494,990.40

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Solution

The fourth proportional to 2,080,139,342.40, 3,120,209,013.60 and 699,494,990.40 is: 1,049,242,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,139,342.40 : 3,120,209,013.60 = 699,494,990.40 : x
  2. Step 2: Convert to fraction form
    2,080,139,342.40/3,120,209,013.60 = 699,494,990.40/x
  3. Step 3: Cross multiply
    2,080,139,342.40x = 3,120,209,013.60 × 699,494,990.40
  4. Step 4: Simplify right side
    2,080,139,342.40x = 2,182,570,574,014,125,312
  5. Step 5: Solve for x
    x = 2,182,570,574,014,125,312/2,080,139,342.40
  6. Step 6: Final answer
    x = 1,049,242,485.60

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1.5x scale

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.