Home / 849,854,712.30-1,274,782,068.45-504,630,638.70

Finding the Fourth Proportional to 849,854,712.30, 1,274,782,068.45 and 504,630,638.70

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Solution

The fourth proportional to 849,854,712.30, 1,274,782,068.45 and 504,630,638.70 is: 756,945,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,854,712.30 : 1,274,782,068.45 = 504,630,638.70 : x
  2. Step 2: Convert to fraction form
    849,854,712.30/1,274,782,068.45 = 504,630,638.70/x
  3. Step 3: Cross multiply
    849,854,712.30x = 1,274,782,068.45 × 504,630,638.70
  4. Step 4: Simplify right side
    849,854,712.30x = 643,294,089,405,230,592
  5. Step 5: Solve for x
    x = 643,294,089,405,230,592/849,854,712.30
  6. Step 6: Final answer
    x = 756,945,958.05

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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.