Home / 605,596,320.85-835,878,417.22-394,429,360.51

Finding the Fourth Proportional to 605,596,320.85, 835,878,417.22 and 394,429,360.51

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Solution

The fourth proportional to 605,596,320.85, 835,878,417.22 and 394,429,360.51 is: 544,413,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,596,320.85 : 835,878,417.22 = 394,429,360.51 : x
  2. Step 2: Convert to fraction form
    605,596,320.85/835,878,417.22 = 394,429,360.51/x
  3. Step 3: Cross multiply
    605,596,320.85x = 835,878,417.22 × 394,429,360.51
  4. Step 4: Simplify right side
    605,596,320.85x = 329,694,989,565,119,808
  5. Step 5: Solve for x
    x = 329,694,989,565,119,808/605,596,320.85
  6. Step 6: Final answer
    x = 544,413,792.18

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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.