Home / 7,884,957,208.29-11,827,466,138.67-1,909,073,429.64

Finding the Fourth Proportional to 7,884,957,208.29, 11,827,466,138.67 and 1,909,073,429.64

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Solution

The fourth proportional to 7,884,957,208.29, 11,827,466,138.67 and 1,909,073,429.64 is: 2,863,617,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,957,208.29 : 11,827,466,138.67 = 1,909,073,429.64 : x
  2. Step 2: Convert to fraction form
    7,884,957,208.29/11,827,466,138.67 = 1,909,073,429.64/x
  3. Step 3: Cross multiply
    7,884,957,208.29x = 11,827,466,138.67 × 1,909,073,429.64
  4. Step 4: Simplify right side
    7,884,957,208.29x = 22,579,501,345,301,704,704
  5. Step 5: Solve for x
    x = 22,579,501,345,301,704,704/7,884,957,208.29
  6. Step 6: Final answer
    x = 2,863,617,486.92

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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.