Home / 626,583,249.04-939,770,627.32-189,780,081.36

Finding the Fourth Proportional to 626,583,249.04, 939,770,627.32 and 189,780,081.36

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Solution

The fourth proportional to 626,583,249.04, 939,770,627.32 and 189,780,081.36 is: 284,638,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,583,249.04 : 939,770,627.32 = 189,780,081.36 : x
  2. Step 2: Convert to fraction form
    626,583,249.04/939,770,627.32 = 189,780,081.36/x
  3. Step 3: Cross multiply
    626,583,249.04x = 939,770,627.32 × 189,780,081.36
  4. Step 4: Simplify right side
    626,583,249.04x = 178,349,746,112,527,872
  5. Step 5: Solve for x
    x = 178,349,746,112,527,872/626,583,249.04
  6. Step 6: Final answer
    x = 284,638,547.85

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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.