Home / 20,102,256,410.40-30,153,384,615.60-18,360,830,541.60

Finding the Fourth Proportional to 20,102,256,410.40, 30,153,384,615.60 and 18,360,830,541.60

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Solution

The fourth proportional to 20,102,256,410.40, 30,153,384,615.60 and 18,360,830,541.60 is: 27,541,245,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102,256,410.40 : 30,153,384,615.60 = 18,360,830,541.60 : x
  2. Step 2: Convert to fraction form
    20,102,256,410.40/30,153,384,615.60 = 18,360,830,541.60/x
  3. Step 3: Cross multiply
    20,102,256,410.40x = 30,153,384,615.60 × 18,360,830,541.60
  4. Step 4: Simplify right side
    20,102,256,410.40x = 553,641,185,182,720,000,000
  5. Step 5: Solve for x
    x = 553,641,185,182,720,000,000/20,102,256,410.40
  6. Step 6: Final answer
    x = 27,541,245,812.40

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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.