Home / 1,210,179,938.52-1,670,004,225-674,303,915.73

Finding the Fourth Proportional to 1,210,179,938.52, 1,670,004,225 and 674,303,915.73

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Solution

The fourth proportional to 1,210,179,938.52, 1,670,004,225 and 674,303,915.73 is: 930,514,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,179,938.52 : 1,670,004,225 = 674,303,915.73 : x
  2. Step 2: Convert to fraction form
    1,210,179,938.52/1,670,004,225 = 674,303,915.73/x
  3. Step 3: Cross multiply
    1,210,179,938.52x = 1,670,004,225 × 674,303,915.73
  4. Step 4: Simplify right side
    1,210,179,938.52x = 1,126,090,388,203,143,936
  5. Step 5: Solve for x
    x = 1,126,090,388,203,143,936/1,210,179,938.52
  6. Step 6: Final answer
    x = 930,514,836.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.