Home / 605,596,319.34-835,878,415.14-394,429,359.00

Finding the Fourth Proportional to 605,596,319.34, 835,878,415.14 and 394,429,359.00

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Solution

The fourth proportional to 605,596,319.34, 835,878,415.14 and 394,429,359.00 is: 544,413,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,596,319.34 : 835,878,415.14 = 394,429,359.00 : x
  2. Step 2: Convert to fraction form
    605,596,319.34/835,878,415.14 = 394,429,359.00/x
  3. Step 3: Cross multiply
    605,596,319.34x = 835,878,415.14 × 394,429,359.00
  4. Step 4: Simplify right side
    605,596,319.34x = 329,694,987,489,803,776
  5. Step 5: Solve for x
    x = 329,694,987,489,803,776/605,596,319.34
  6. Step 6: Final answer
    x = 544,413,790.11

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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.