Home / 1,153,105,343.40-1,729,658,015.10-959,235,666.60

Finding the Fourth Proportional to 1,153,105,343.40, 1,729,658,015.10 and 959,235,666.60

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Solution

The fourth proportional to 1,153,105,343.40, 1,729,658,015.10 and 959,235,666.60 is: 1,438,853,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,105,343.40 : 1,729,658,015.10 = 959,235,666.60 : x
  2. Step 2: Convert to fraction form
    1,153,105,343.40/1,729,658,015.10 = 959,235,666.60/x
  3. Step 3: Cross multiply
    1,153,105,343.40x = 1,729,658,015.10 × 959,235,666.60
  4. Step 4: Simplify right side
    1,153,105,343.40x = 1,659,149,659,104,481,280
  5. Step 5: Solve for x
    x = 1,659,149,659,104,481,280/1,153,105,343.40
  6. Step 6: Final answer
    x = 1,438,853,499.90

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Double scale
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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.