Home / 1,170,036,014.40-1,755,054,021.60-480,438,172.80

Finding the Fourth Proportional to 1,170,036,014.40, 1,755,054,021.60 and 480,438,172.80

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Solution

The fourth proportional to 1,170,036,014.40, 1,755,054,021.60 and 480,438,172.80 is: 720,657,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,036,014.40 : 1,755,054,021.60 = 480,438,172.80 : x
  2. Step 2: Convert to fraction form
    1,170,036,014.40/1,755,054,021.60 = 480,438,172.80/x
  3. Step 3: Cross multiply
    1,170,036,014.40x = 1,755,054,021.60 × 480,438,172.80
  4. Step 4: Simplify right side
    1,170,036,014.40x = 843,194,947,302,795,648
  5. Step 5: Solve for x
    x = 843,194,947,302,795,648/1,170,036,014.40
  6. Step 6: Final answer
    x = 720,657,259.20

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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.