Home / 49,128,809,746.60-73,693,214,619.90-40,965,875,986.60

Finding the Fourth Proportional to 49,128,809,746.60, 73,693,214,619.90 and 40,965,875,986.60

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Solution

The fourth proportional to 49,128,809,746.60, 73,693,214,619.90 and 40,965,875,986.60 is: 61,448,813,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,128,809,746.60 : 73,693,214,619.90 = 40,965,875,986.60 : x
  2. Step 2: Convert to fraction form
    49,128,809,746.60/73,693,214,619.90 = 40,965,875,986.60/x
  3. Step 3: Cross multiply
    49,128,809,746.60x = 73,693,214,619.90 × 40,965,875,986.60
  4. Step 4: Simplify right side
    49,128,809,746.60x = 3,018,907,091,172,721,164,288
  5. Step 5: Solve for x
    x = 3,018,907,091,172,721,164,288/49,128,809,746.60
  6. Step 6: Final answer
    x = 61,448,813,979.90

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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.