Home / 202,041,213,930.34-278,818,613,961.01-115,238,180,468.70

Finding the Fourth Proportional to 202,041,213,930.34, 278,818,613,961.01 and 115,238,180,468.70

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Solution

The fourth proportional to 202,041,213,930.34, 278,818,613,961.01 and 115,238,180,468.70 is: 159,029,680,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,041,213,930.34 : 278,818,613,961.01 = 115,238,180,468.70 : x
  2. Step 2: Convert to fraction form
    202,041,213,930.34/278,818,613,961.01 = 115,238,180,468.70/x
  3. Step 3: Cross multiply
    202,041,213,930.34x = 278,818,613,961.01 × 115,238,180,468.70
  4. Step 4: Simplify right side
    202,041,213,930.34x = 32,130,549,753,671,667,679,232
  5. Step 5: Solve for x
    x = 32,130,549,753,671,667,679,232/202,041,213,930.34
  6. Step 6: Final answer
    x = 159,029,680,769.74

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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.