Home / 626,050,201.72-939,257,054.30-252,365,239.80

Finding the Fourth Proportional to 626,050,201.72, 939,257,054.30 and 252,365,239.80

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Solution

The fourth proportional to 626,050,201.72, 939,257,054.30 and 252,365,239.80 is: 378,621,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,050,201.72 : 939,257,054.30 = 252,365,239.80 : x
  2. Step 2: Convert to fraction form
    626,050,201.72/939,257,054.30 = 252,365,239.80/x
  3. Step 3: Cross multiply
    626,050,201.72x = 939,257,054.30 × 252,365,239.80
  4. Step 4: Simplify right side
    626,050,201.72x = 237,035,831,742,261,120
  5. Step 5: Solve for x
    x = 237,035,831,742,261,120/626,050,201.72
  6. Step 6: Final answer
    x = 378,621,125.10

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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.