Home / 28,268,974,929.60-42,403,462,394.40-23,915,410,257.60

Finding the Fourth Proportional to 28,268,974,929.60, 42,403,462,394.40 and 23,915,410,257.60

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Solution

The fourth proportional to 28,268,974,929.60, 42,403,462,394.40 and 23,915,410,257.60 is: 35,873,115,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268,974,929.60 : 42,403,462,394.40 = 23,915,410,257.60 : x
  2. Step 2: Convert to fraction form
    28,268,974,929.60/42,403,462,394.40 = 23,915,410,257.60/x
  3. Step 3: Cross multiply
    28,268,974,929.60x = 42,403,462,394.40 × 23,915,410,257.60
  4. Step 4: Simplify right side
    28,268,974,929.60x = 1,014,096,199,504,789,635,072
  5. Step 5: Solve for x
    x = 1,014,096,199,504,789,635,072/28,268,974,929.60
  6. Step 6: Final answer
    x = 35,873,115,386.40

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1.5x scale

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.