Home / 688,947,623,207.28-950,744,405,136.96-380,296,282,380.06

Finding the Fourth Proportional to 688,947,623,207.28, 950,744,405,136.96 and 380,296,282,380.06

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Solution

The fourth proportional to 688,947,623,207.28, 950,744,405,136.96 and 380,296,282,380.06 is: 524,807,039,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,947,623,207.28 : 950,744,405,136.96 = 380,296,282,380.06 : x
  2. Step 2: Convert to fraction form
    688,947,623,207.28/950,744,405,136.96 = 380,296,282,380.06/x
  3. Step 3: Cross multiply
    688,947,623,207.28x = 950,744,405,136.96 × 380,296,282,380.06
  4. Step 4: Simplify right side
    688,947,623,207.28x = 361,564,562,767,227,461,304,320
  5. Step 5: Solve for x
    x = 361,564,562,767,227,461,304,320/688,947,623,207.28
  6. Step 6: Final answer
    x = 524,807,039,879.21

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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.