Home / 385,539,353.37-532,482,364.35-259,874,814.51

Finding the Fourth Proportional to 385,539,353.37, 532,482,364.35 and 259,874,814.51

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Solution

The fourth proportional to 385,539,353.37, 532,482,364.35 and 259,874,814.51 is: 358,922,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,539,353.37 : 532,482,364.35 = 259,874,814.51 : x
  2. Step 2: Convert to fraction form
    385,539,353.37/532,482,364.35 = 259,874,814.51/x
  3. Step 3: Cross multiply
    385,539,353.37x = 532,482,364.35 × 259,874,814.51
  4. Step 4: Simplify right side
    385,539,353.37x = 138,378,755,665,302,480
  5. Step 5: Solve for x
    x = 138,378,755,665,302,480/385,539,353.37
  6. Step 6: Final answer
    x = 358,922,518.43

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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.