Home / 215,756,499,888.72-297,744,606,861.12-119,419,277,521.68

Finding the Fourth Proportional to 215,756,499,888.72, 297,744,606,861.12 and 119,419,277,521.68

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Solution

The fourth proportional to 215,756,499,888.72, 297,744,606,861.12 and 119,419,277,521.68 is: 164,798,955,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,756,499,888.72 : 297,744,606,861.12 = 119,419,277,521.68 : x
  2. Step 2: Convert to fraction form
    215,756,499,888.72/297,744,606,861.12 = 119,419,277,521.68/x
  3. Step 3: Cross multiply
    215,756,499,888.72x = 297,744,606,861.12 × 119,419,277,521.68
  4. Step 4: Simplify right side
    215,756,499,888.72x = 35,556,445,837,331,592,642,560
  5. Step 5: Solve for x
    x = 35,556,445,837,331,592,642,560/215,756,499,888.72
  6. Step 6: Final answer
    x = 164,798,955,561.80

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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.