Home / 358,078,850,145.49-494,146,254,764.07-195,498,490,737.51

Finding the Fourth Proportional to 358,078,850,145.49, 494,146,254,764.07 and 195,498,490,737.51

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Solution

The fourth proportional to 358,078,850,145.49, 494,146,254,764.07 and 195,498,490,737.51 is: 269,786,520,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,078,850,145.49 : 494,146,254,764.07 = 195,498,490,737.51 : x
  2. Step 2: Convert to fraction form
    358,078,850,145.49/494,146,254,764.07 = 195,498,490,737.51/x
  3. Step 3: Cross multiply
    358,078,850,145.49x = 494,146,254,764.07 × 195,498,490,737.51
  4. Step 4: Simplify right side
    358,078,850,145.49x = 96,604,847,009,968,808,787,968
  5. Step 5: Solve for x
    x = 96,604,847,009,968,808,787,968/358,078,850,145.49
  6. Step 6: Final answer
    x = 269,786,520,401.07

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1.5x scale

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.