Home / 210,141,478,908.43-289,995,520,551.39-113,797,731,525.76

Finding the Fourth Proportional to 210,141,478,908.43, 289,995,520,551.39 and 113,797,731,525.76

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Solution

The fourth proportional to 210,141,478,908.43, 289,995,520,551.39 and 113,797,731,525.76 is: 157,041,020,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,141,478,908.43 : 289,995,520,551.39 = 113,797,731,525.76 : x
  2. Step 2: Convert to fraction form
    210,141,478,908.43/289,995,520,551.39 = 113,797,731,525.76/x
  3. Step 3: Cross multiply
    210,141,478,908.43x = 289,995,520,551.39 × 113,797,731,525.76
  4. Step 4: Simplify right side
    210,141,478,908.43x = 33,000,832,391,380,094,418,944
  5. Step 5: Solve for x
    x = 33,000,832,391,380,094,418,944/210,141,478,908.43
  6. Step 6: Final answer
    x = 157,041,020,948.37

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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.