Home / 19,012,292,107.60-28,518,438,161.40-18,206,202,398.80

Finding the Fourth Proportional to 19,012,292,107.60, 28,518,438,161.40 and 18,206,202,398.80

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Solution

The fourth proportional to 19,012,292,107.60, 28,518,438,161.40 and 18,206,202,398.80 is: 27,309,303,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012,292,107.60 : 28,518,438,161.40 = 18,206,202,398.80 : x
  2. Step 2: Convert to fraction form
    19,012,292,107.60/28,518,438,161.40 = 18,206,202,398.80/x
  3. Step 3: Cross multiply
    19,012,292,107.60x = 28,518,438,161.40 × 18,206,202,398.80
  4. Step 4: Simplify right side
    19,012,292,107.60x = 519,212,457,264,110,174,208
  5. Step 5: Solve for x
    x = 519,212,457,264,110,174,208/19,012,292,107.60
  6. Step 6: Final answer
    x = 27,309,303,598.20

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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.