Home / 2,021,979,313.40-3,032,968,970.10-1,944,495,215.60

Finding the Fourth Proportional to 2,021,979,313.40, 3,032,968,970.10 and 1,944,495,215.60

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Solution

The fourth proportional to 2,021,979,313.40, 3,032,968,970.10 and 1,944,495,215.60 is: 2,916,742,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,979,313.40 : 3,032,968,970.10 = 1,944,495,215.60 : x
  2. Step 2: Convert to fraction form
    2,021,979,313.40/3,032,968,970.10 = 1,944,495,215.60/x
  3. Step 3: Cross multiply
    2,021,979,313.40x = 3,032,968,970.10 × 1,944,495,215.60
  4. Step 4: Simplify right side
    2,021,979,313.40x = 5,897,593,651,422,708,736
  5. Step 5: Solve for x
    x = 5,897,593,651,422,708,736/2,021,979,313.40
  6. Step 6: Final answer
    x = 2,916,742,823.40

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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.