Home / 20,102,256,439.40-30,153,384,659.10-18,360,830,570.60

Finding the Fourth Proportional to 20,102,256,439.40, 30,153,384,659.10 and 18,360,830,570.60

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Solution

The fourth proportional to 20,102,256,439.40, 30,153,384,659.10 and 18,360,830,570.60 is: 27,541,245,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102,256,439.40 : 30,153,384,659.10 = 18,360,830,570.60 : x
  2. Step 2: Convert to fraction form
    20,102,256,439.40/30,153,384,659.10 = 18,360,830,570.60/x
  3. Step 3: Cross multiply
    20,102,256,439.40x = 30,153,384,659.10 × 18,360,830,570.60
  4. Step 4: Simplify right side
    20,102,256,439.40x = 553,641,186,855,864,238,080
  5. Step 5: Solve for x
    x = 553,641,186,855,864,238,080/20,102,256,439.40
  6. Step 6: Final answer
    x = 27,541,245,855.90

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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.