Home / 373,832,563.29-515,918,345.45-212,903,351.36

Finding the Fourth Proportional to 373,832,563.29, 515,918,345.45 and 212,903,351.36

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Solution

The fourth proportional to 373,832,563.29, 515,918,345.45 and 212,903,351.36 is: 293,823,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,832,563.29 : 515,918,345.45 = 212,903,351.36 : x
  2. Step 2: Convert to fraction form
    373,832,563.29/515,918,345.45 = 212,903,351.36/x
  3. Step 3: Cross multiply
    373,832,563.29x = 515,918,345.45 × 212,903,351.36
  4. Step 4: Simplify right side
    373,832,563.29x = 109,840,744,774,411,216
  5. Step 5: Solve for x
    x = 109,840,744,774,411,216/373,832,563.29
  6. Step 6: Final answer
    x = 293,823,373.24

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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.