Home / 286,800,960,457.32-395,820,031,380.39-163,232,143,758.42

Finding the Fourth Proportional to 286,800,960,457.32, 395,820,031,380.39 and 163,232,143,758.42

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Solution

The fourth proportional to 286,800,960,457.32, 395,820,031,380.39 and 163,232,143,758.42 is: 225,280,111,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,800,960,457.32 : 395,820,031,380.39 = 163,232,143,758.42 : x
  2. Step 2: Convert to fraction form
    286,800,960,457.32/395,820,031,380.39 = 163,232,143,758.42/x
  3. Step 3: Cross multiply
    286,800,960,457.32x = 395,820,031,380.39 × 163,232,143,758.42
  4. Step 4: Simplify right side
    286,800,960,457.32x = 64,610,552,264,746,141,220,864
  5. Step 5: Solve for x
    x = 64,610,552,264,746,141,220,864/286,800,960,457.32
  6. Step 6: Final answer
    x = 225,280,111,202.28

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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.