Home / 1,087,485,769.20-1,631,228,653.80-674,237,247.60

Finding the Fourth Proportional to 1,087,485,769.20, 1,631,228,653.80 and 674,237,247.60

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Solution

The fourth proportional to 1,087,485,769.20, 1,631,228,653.80 and 674,237,247.60 is: 1,011,355,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,485,769.20 : 1,631,228,653.80 = 674,237,247.60 : x
  2. Step 2: Convert to fraction form
    1,087,485,769.20/1,631,228,653.80 = 674,237,247.60/x
  3. Step 3: Cross multiply
    1,087,485,769.20x = 1,631,228,653.80 × 674,237,247.60
  4. Step 4: Simplify right side
    1,087,485,769.20x = 1,099,835,117,744,365,312
  5. Step 5: Solve for x
    x = 1,099,835,117,744,365,312/1,087,485,769.20
  6. Step 6: Final answer
    x = 1,011,355,871.40

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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.