Home / 56,643,530,028.63-78,167,673,789.50-30,922,809,946.30

Finding the Fourth Proportional to 56,643,530,028.63, 78,167,673,789.50 and 30,922,809,946.30

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Solution

The fourth proportional to 56,643,530,028.63, 78,167,673,789.50 and 30,922,809,946.30 is: 42,673,260,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,643,530,028.63 : 78,167,673,789.50 = 30,922,809,946.30 : x
  2. Step 2: Convert to fraction form
    56,643,530,028.63/78,167,673,789.50 = 30,922,809,946.30/x
  3. Step 3: Cross multiply
    56,643,530,028.63x = 78,167,673,789.50 × 30,922,809,946.30
  4. Step 4: Simplify right side
    56,643,530,028.63x = 2,417,164,120,537,084,461,056
  5. Step 5: Solve for x
    x = 2,417,164,120,537,084,461,056/56,643,530,028.63
  6. Step 6: Final answer
    x = 42,673,260,640.98

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Double scale
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1.5x scale

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.