Home / 202,041,213,929.84-278,818,613,960.32-115,238,180,468.20

Finding the Fourth Proportional to 202,041,213,929.84, 278,818,613,960.32 and 115,238,180,468.20

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Solution

The fourth proportional to 202,041,213,929.84, 278,818,613,960.32 and 115,238,180,468.20 is: 159,029,680,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,041,213,929.84 : 278,818,613,960.32 = 115,238,180,468.20 : x
  2. Step 2: Convert to fraction form
    202,041,213,929.84/278,818,613,960.32 = 115,238,180,468.20/x
  3. Step 3: Cross multiply
    202,041,213,929.84x = 278,818,613,960.32 × 115,238,180,468.20
  4. Step 4: Simplify right side
    202,041,213,929.84x = 32,130,549,753,452,745,981,952
  5. Step 5: Solve for x
    x = 32,130,549,753,452,745,981,952/202,041,213,929.84
  6. Step 6: Final answer
    x = 159,029,680,769.05

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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.