Home / 389,247,210.83-537,162,574.57-210,631,100.75

Finding the Fourth Proportional to 389,247,210.83, 537,162,574.57 and 210,631,100.75

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Solution

The fourth proportional to 389,247,210.83, 537,162,574.57 and 210,631,100.75 is: 290,671,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,247,210.83 : 537,162,574.57 = 210,631,100.75 : x
  2. Step 2: Convert to fraction form
    389,247,210.83/537,162,574.57 = 210,631,100.75/x
  3. Step 3: Cross multiply
    389,247,210.83x = 537,162,574.57 × 210,631,100.75
  4. Step 4: Simplify right side
    389,247,210.83x = 113,143,144,363,989,344
  5. Step 5: Solve for x
    x = 113,143,144,363,989,344/389,247,210.83
  6. Step 6: Final answer
    x = 290,671,689.40

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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.