Home / 19,012,292,114.10-28,518,438,171.15-18,206,202,405.30

Finding the Fourth Proportional to 19,012,292,114.10, 28,518,438,171.15 and 18,206,202,405.30

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Solution

The fourth proportional to 19,012,292,114.10, 28,518,438,171.15 and 18,206,202,405.30 is: 27,309,303,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012,292,114.10 : 28,518,438,171.15 = 18,206,202,405.30 : x
  2. Step 2: Convert to fraction form
    19,012,292,114.10/28,518,438,171.15 = 18,206,202,405.30/x
  3. Step 3: Cross multiply
    19,012,292,114.10x = 28,518,438,171.15 × 18,206,202,405.30
  4. Step 4: Simplify right side
    19,012,292,114.10x = 519,212,457,626,990,477,312
  5. Step 5: Solve for x
    x = 519,212,457,626,990,477,312/19,012,292,114.10
  6. Step 6: Final answer
    x = 27,309,303,607.95

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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.