Home / 430,181,970.45-645,271,971.51-184,379,223.03

Finding the Fourth Proportional to 430,181,970.45, 645,271,971.51 and 184,379,223.03

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Solution

The fourth proportional to 430,181,970.45, 645,271,971.51 and 184,379,223.03 is: 276,568,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,181,970.45 : 645,271,971.51 = 184,379,223.03 : x
  2. Step 2: Convert to fraction form
    430,181,970.45/645,271,971.51 = 184,379,223.03/x
  3. Step 3: Cross multiply
    430,181,970.45x = 645,271,971.51 × 184,379,223.03
  4. Step 4: Simplify right side
    430,181,970.45x = 118,974,744,750,050,096
  5. Step 5: Solve for x
    x = 118,974,744,750,050,096/430,181,970.45
  6. Step 6: Final answer
    x = 276,568,412.72

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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.