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Finding the Fourth Proportional to 1,673,016,674.77, 2,308,750,250.47 and 920,313,648.01

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Solution

The fourth proportional to 1,673,016,674.77, 2,308,750,250.47 and 920,313,648.01 is: 1,270,025,814.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,016,674.77 : 2,308,750,250.47 = 920,313,648.01 : x
  2. Step 2: Convert to fraction form
    1,673,016,674.77/2,308,750,250.47 = 920,313,648.01/x
  3. Step 3: Cross multiply
    1,673,016,674.77x = 2,308,750,250.47 × 920,313,648.01
  4. Step 4: Simplify right side
    1,673,016,674.77x = 2,124,774,365,354,046,720
  5. Step 5: Solve for x
    x = 2,124,774,365,354,046,720/1,673,016,674.77
  6. Step 6: Final answer
    x = 1,270,025,814.68

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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.