Home / 1,182,048,014.40-1,773,072,021.60-320,405,006.40

Finding the Fourth Proportional to 1,182,048,014.40, 1,773,072,021.60 and 320,405,006.40

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Solution

The fourth proportional to 1,182,048,014.40, 1,773,072,021.60 and 320,405,006.40 is: 480,607,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,048,014.40 : 1,773,072,021.60 = 320,405,006.40 : x
  2. Step 2: Convert to fraction form
    1,182,048,014.40/1,773,072,021.60 = 320,405,006.40/x
  3. Step 3: Cross multiply
    1,182,048,014.40x = 1,773,072,021.60 × 320,405,006.40
  4. Step 4: Simplify right side
    1,182,048,014.40x = 568,101,152,428,408,896
  5. Step 5: Solve for x
    x = 568,101,152,428,408,896/1,182,048,014.40
  6. Step 6: Final answer
    x = 480,607,509.60

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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.