Home / 72,832,189,627.91-109,239,939,188.12-19,054,516,837.82

Finding the Fourth Proportional to 72,832,189,627.91, 109,239,939,188.12 and 19,054,516,837.82

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Solution

The fourth proportional to 72,832,189,627.91, 109,239,939,188.12 and 19,054,516,837.82 is: 28,579,591,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,832,189,627.91 : 109,239,939,188.12 = 19,054,516,837.82 : x
  2. Step 2: Convert to fraction form
    72,832,189,627.91/109,239,939,188.12 = 19,054,516,837.82/x
  3. Step 3: Cross multiply
    72,832,189,627.91x = 109,239,939,188.12 × 19,054,516,837.82
  4. Step 4: Simplify right side
    72,832,189,627.91x = 2,081,514,260,621,918,994,432
  5. Step 5: Solve for x
    x = 2,081,514,260,621,918,994,432/72,832,189,627.91
  6. Step 6: Final answer
    x = 28,579,591,953.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.