Home / 15,513,759,552,366-21,405,437,318,514-9,262,410,125,214.40

Finding the Fourth Proportional to 15,513,759,552,366, 21,405,437,318,514 and 9,262,410,125,214.40

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Solution

The fourth proportional to 15,513,759,552,366, 21,405,437,318,514 and 9,262,410,125,214.40 is: 12,780,005,947,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513,759,552,366 : 21,405,437,318,514 = 9,262,410,125,214.40 : x
  2. Step 2: Convert to fraction form
    15,513,759,552,366/21,405,437,318,514 = 9,262,410,125,214.40/x
  3. Step 3: Cross multiply
    15,513,759,552,366x = 21,405,437,318,514 × 9,262,410,125,214.40
  4. Step 4: Simplify right side
    15,513,759,552,366x = 198,265,939,353,646,245,825,478,656
  5. Step 5: Solve for x
    x = 198,265,939,353,646,245,825,478,656/15,513,759,552,366
  6. Step 6: Final answer
    x = 12,780,005,947,907.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.