Home / 389,217,666,026.57-537,120,192,298.89-232,787,855,262.82

Finding the Fourth Proportional to 389,217,666,026.57, 537,120,192,298.89 and 232,787,855,262.82

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Solution

The fourth proportional to 389,217,666,026.57, 537,120,192,298.89 and 232,787,855,262.82 is: 321,247,128,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,217,666,026.57 : 537,120,192,298.89 = 232,787,855,262.82 : x
  2. Step 2: Convert to fraction form
    389,217,666,026.57/537,120,192,298.89 = 232,787,855,262.82/x
  3. Step 3: Cross multiply
    389,217,666,026.57x = 537,120,192,298.89 × 232,787,855,262.82
  4. Step 4: Simplify right side
    389,217,666,026.57x = 125,035,057,583,612,051,324,928
  5. Step 5: Solve for x
    x = 125,035,057,583,612,051,324,928/389,217,666,026.57
  6. Step 6: Final answer
    x = 321,247,128,528.53

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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.