Home / 5,213,412,002.40-7,820,118,003.60-3,009,419,887.20

Finding the Fourth Proportional to 5,213,412,002.40, 7,820,118,003.60 and 3,009,419,887.20

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Solution

The fourth proportional to 5,213,412,002.40, 7,820,118,003.60 and 3,009,419,887.20 is: 4,514,129,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,412,002.40 : 7,820,118,003.60 = 3,009,419,887.20 : x
  2. Step 2: Convert to fraction form
    5,213,412,002.40/7,820,118,003.60 = 3,009,419,887.20/x
  3. Step 3: Cross multiply
    5,213,412,002.40x = 7,820,118,003.60 × 3,009,419,887.20
  4. Step 4: Simplify right side
    5,213,412,002.40x = 23,534,018,640,284,602,368
  5. Step 5: Solve for x
    x = 23,534,018,640,284,602,368/5,213,412,002.40
  6. Step 6: Final answer
    x = 4,514,129,830.80

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1.5x scale

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.