Home / 43,530,398,790.16-65,265,240,088.04-19,287,596,359.68

Finding the Fourth Proportional to 43,530,398,790.16, 65,265,240,088.04 and 19,287,596,359.68

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Solution

The fourth proportional to 43,530,398,790.16, 65,265,240,088.04 and 19,287,596,359.68 is: 28,917,943,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530,398,790.16 : 65,265,240,088.04 = 19,287,596,359.68 : x
  2. Step 2: Convert to fraction form
    43,530,398,790.16/65,265,240,088.04 = 19,287,596,359.68/x
  3. Step 3: Cross multiply
    43,530,398,790.16x = 65,265,240,088.04 × 19,287,596,359.68
  4. Step 4: Simplify right side
    43,530,398,790.16x = 1,258,809,607,135,721,422,848
  5. Step 5: Solve for x
    x = 1,258,809,607,135,721,422,848/43,530,398,790.16
  6. Step 6: Final answer
    x = 28,917,943,371.11

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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.