Home / 487,753,637.48-673,100,975.46-289,554,881

Finding the Fourth Proportional to 487,753,637.48, 673,100,975.46 and 289,554,881

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Solution

The fourth proportional to 487,753,637.48, 673,100,975.46 and 289,554,881 is: 399,586,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,753,637.48 : 673,100,975.46 = 289,554,881 : x
  2. Step 2: Convert to fraction form
    487,753,637.48/673,100,975.46 = 289,554,881/x
  3. Step 3: Cross multiply
    487,753,637.48x = 673,100,975.46 × 289,554,881
  4. Step 4: Simplify right side
    487,753,637.48x = 194,899,672,850,304,224
  5. Step 5: Solve for x
    x = 194,899,672,850,304,224/487,753,637.48
  6. Step 6: Final answer
    x = 399,586,303.15

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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.