Home / 380,163,331.76-524,625,613.08-206,323,075.76

Finding the Fourth Proportional to 380,163,331.76, 524,625,613.08 and 206,323,075.76

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Solution

The fourth proportional to 380,163,331.76, 524,625,613.08 and 206,323,075.76 is: 284,725,961.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,163,331.76 : 524,625,613.08 = 206,323,075.76 : x
  2. Step 2: Convert to fraction form
    380,163,331.76/524,625,613.08 = 206,323,075.76/x
  3. Step 3: Cross multiply
    380,163,331.76x = 524,625,613.08 × 206,323,075.76
  4. Step 4: Simplify right side
    380,163,331.76x = 108,242,370,113,141,280
  5. Step 5: Solve for x
    x = 108,242,370,113,141,280/380,163,331.76
  6. Step 6: Final answer
    x = 284,725,961.37

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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.