Home / 1,270,263,633.59-1,905,184,113.36-384,738,455.65

Finding the Fourth Proportional to 1,270,263,633.59, 1,905,184,113.36 and 384,738,455.65

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Solution

The fourth proportional to 1,270,263,633.59, 1,905,184,113.36 and 384,738,455.65 is: 577,043,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,263,633.59 : 1,905,184,113.36 = 384,738,455.65 : x
  2. Step 2: Convert to fraction form
    1,270,263,633.59/1,905,184,113.36 = 384,738,455.65/x
  3. Step 3: Cross multiply
    1,270,263,633.59x = 1,905,184,113.36 × 384,738,455.65
  4. Step 4: Simplify right side
    1,270,263,633.59x = 732,997,593,493,514,880
  5. Step 5: Solve for x
    x = 732,997,593,493,514,880/1,270,263,633.59
  6. Step 6: Final answer
    x = 577,043,673.54

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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.