Home / 374,579,990,214.76-516,831,789,662.58-211,999,636,061.20

Finding the Fourth Proportional to 374,579,990,214.76, 516,831,789,662.58 and 211,999,636,061.20

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Solution

The fourth proportional to 374,579,990,214.76, 516,831,789,662.58 and 211,999,636,061.20 is: 292,509,354,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,579,990,214.76 : 516,831,789,662.58 = 211,999,636,061.20 : x
  2. Step 2: Convert to fraction form
    374,579,990,214.76/516,831,789,662.58 = 211,999,636,061.20/x
  3. Step 3: Cross multiply
    374,579,990,214.76x = 516,831,789,662.58 × 211,999,636,061.20
  4. Step 4: Simplify right side
    374,579,990,214.76x = 109,568,151,313,325,630,685,184
  5. Step 5: Solve for x
    x = 109,568,151,313,325,630,685,184/374,579,990,214.76
  6. Step 6: Final answer
    x = 292,509,354,945.81

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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.