Home / 648,660,904.74-973,116,541.26-211,844,156.04

Finding the Fourth Proportional to 648,660,904.74, 973,116,541.26 and 211,844,156.04

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Solution

The fourth proportional to 648,660,904.74, 973,116,541.26 and 211,844,156.04 is: 317,807,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,660,904.74 : 973,116,541.26 = 211,844,156.04 : x
  2. Step 2: Convert to fraction form
    648,660,904.74/973,116,541.26 = 211,844,156.04/x
  3. Step 3: Cross multiply
    648,660,904.74x = 973,116,541.26 × 211,844,156.04
  4. Step 4: Simplify right side
    648,660,904.74x = 206,149,052,411,788,544
  5. Step 5: Solve for x
    x = 206,149,052,411,788,544/648,660,904.74
  6. Step 6: Final answer
    x = 317,807,117.56

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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.