Home / 688,947,623,225.65-950,744,405,162.25-380,296,282,398.36

Finding the Fourth Proportional to 688,947,623,225.65, 950,744,405,162.25 and 380,296,282,398.36

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Solution

The fourth proportional to 688,947,623,225.65, 950,744,405,162.25 and 380,296,282,398.36 is: 524,807,039,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,947,623,225.65 : 950,744,405,162.25 = 380,296,282,398.36 : x
  2. Step 2: Convert to fraction form
    688,947,623,225.65/950,744,405,162.25 = 380,296,282,398.36/x
  3. Step 3: Cross multiply
    688,947,623,225.65x = 950,744,405,162.25 × 380,296,282,398.36
  4. Step 4: Simplify right side
    688,947,623,225.65x = 361,564,562,794,243,812,229,120
  5. Step 5: Solve for x
    x = 361,564,562,794,243,812,229,120/688,947,623,225.65
  6. Step 6: Final answer
    x = 524,807,039,904.43

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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.