Home / 233,113,719-321,688,482.66-128,689,542.84

Finding the Fourth Proportional to 233,113,719, 321,688,482.66 and 128,689,542.84

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Solution

The fourth proportional to 233,113,719, 321,688,482.66 and 128,689,542.84 is: 177,586,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,113,719 : 321,688,482.66 = 128,689,542.84 : x
  2. Step 2: Convert to fraction form
    233,113,719/321,688,482.66 = 128,689,542.84/x
  3. Step 3: Cross multiply
    233,113,719x = 321,688,482.66 × 128,689,542.84
  4. Step 4: Simplify right side
    233,113,719x = 41,397,943,770,408,672
  5. Step 5: Solve for x
    x = 41,397,943,770,408,672/233,113,719
  6. Step 6: Final answer
    x = 177,586,904.57

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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.