Home / 1,119,969,333.20-1,679,953,999.80-709,695,131.60

Finding the Fourth Proportional to 1,119,969,333.20, 1,679,953,999.80 and 709,695,131.60

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Solution

The fourth proportional to 1,119,969,333.20, 1,679,953,999.80 and 709,695,131.60 is: 1,064,542,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,969,333.20 : 1,679,953,999.80 = 709,695,131.60 : x
  2. Step 2: Convert to fraction form
    1,119,969,333.20/1,679,953,999.80 = 709,695,131.60/x
  3. Step 3: Cross multiply
    1,119,969,333.20x = 1,679,953,999.80 × 709,695,131.60
  4. Step 4: Simplify right side
    1,119,969,333.20x = 1,192,255,174,970,007,296
  5. Step 5: Solve for x
    x = 1,192,255,174,970,007,296/1,119,969,333.20
  6. Step 6: Final answer
    x = 1,064,542,697.40

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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.