Home / 490,088,682.90-735,133,024.35-379,123,802.10

Finding the Fourth Proportional to 490,088,682.90, 735,133,024.35 and 379,123,802.10

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Solution

The fourth proportional to 490,088,682.90, 735,133,024.35 and 379,123,802.10 is: 568,685,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,088,682.90 : 735,133,024.35 = 379,123,802.10 : x
  2. Step 2: Convert to fraction form
    490,088,682.90/735,133,024.35 = 379,123,802.10/x
  3. Step 3: Cross multiply
    490,088,682.90x = 735,133,024.35 × 379,123,802.10
  4. Step 4: Simplify right side
    490,088,682.90x = 278,706,427,240,843,904
  5. Step 5: Solve for x
    x = 278,706,427,240,843,904/490,088,682.90
  6. Step 6: Final answer
    x = 568,685,703.15

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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.