Home / 4,872,302,801.64-7,308,735,965.82-1,378,415,598.12

Finding the Fourth Proportional to 4,872,302,801.64, 7,308,735,965.82 and 1,378,415,598.12

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Solution

The fourth proportional to 4,872,302,801.64, 7,308,735,965.82 and 1,378,415,598.12 is: 2,067,703,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,302,801.64 : 7,308,735,965.82 = 1,378,415,598.12 : x
  2. Step 2: Convert to fraction form
    4,872,302,801.64/7,308,735,965.82 = 1,378,415,598.12/x
  3. Step 3: Cross multiply
    4,872,302,801.64x = 7,308,735,965.82 × 1,378,415,598.12
  4. Step 4: Simplify right side
    4,872,302,801.64x = 10,074,475,657,826,930,688
  5. Step 5: Solve for x
    x = 10,074,475,657,826,930,688/4,872,302,801.64
  6. Step 6: Final answer
    x = 2,067,703,110.41

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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.