Home / 19,197,538,981.11-28,764,862,466.99-10,224,201,122.64

Finding the Fourth Proportional to 19,197,538,981.11, 28,764,862,466.99 and 10,224,201,122.64

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Solution

The fourth proportional to 19,197,538,981.11, 28,764,862,466.99 and 10,224,201,122.64 is: 15,319,554,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197,538,981.11 : 28,764,862,466.99 = 10,224,201,122.64 : x
  2. Step 2: Convert to fraction form
    19,197,538,981.11/28,764,862,466.99 = 10,224,201,122.64/x
  3. Step 3: Cross multiply
    19,197,538,981.11x = 28,764,862,466.99 × 10,224,201,122.64
  4. Step 4: Simplify right side
    19,197,538,981.11x = 294,097,739,127,533,240,320
  5. Step 5: Solve for x
    x = 294,097,739,127,533,240,320/19,197,538,981.11
  6. Step 6: Final answer
    x = 15,319,554,210.41

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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.