Home / 389,247,402.06-537,162,838.38-210,631,292.10

Finding the Fourth Proportional to 389,247,402.06, 537,162,838.38 and 210,631,292.10

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Solution

The fourth proportional to 389,247,402.06, 537,162,838.38 and 210,631,292.10 is: 290,671,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,247,402.06 : 537,162,838.38 = 210,631,292.10 : x
  2. Step 2: Convert to fraction form
    389,247,402.06/537,162,838.38 = 210,631,292.10/x
  3. Step 3: Cross multiply
    389,247,402.06x = 537,162,838.38 × 210,631,292.10
  4. Step 4: Simplify right side
    389,247,402.06x = 113,143,302,716,082,864
  5. Step 5: Solve for x
    x = 113,143,302,716,082,864/389,247,402.06
  6. Step 6: Final answer
    x = 290,671,953.41

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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.