Home / 649,413,759.32-974,283,060.21-189,351,928.63

Finding the Fourth Proportional to 649,413,759.32, 974,283,060.21 and 189,351,928.63

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Solution

The fourth proportional to 649,413,759.32, 974,283,060.21 and 189,351,928.63 is: 284,075,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,413,759.32 : 974,283,060.21 = 189,351,928.63 : x
  2. Step 2: Convert to fraction form
    649,413,759.32/974,283,060.21 = 189,351,928.63/x
  3. Step 3: Cross multiply
    649,413,759.32x = 974,283,060.21 × 189,351,928.63
  4. Step 4: Simplify right side
    649,413,759.32x = 184,482,376,476,483,744
  5. Step 5: Solve for x
    x = 184,482,376,476,483,744/649,413,759.32
  6. Step 6: Final answer
    x = 284,075,250.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.