Home / 1,210,179,939.52-1,670,004,226.38-674,303,916.73

Finding the Fourth Proportional to 1,210,179,939.52, 1,670,004,226.38 and 674,303,916.73

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Solution

The fourth proportional to 1,210,179,939.52, 1,670,004,226.38 and 674,303,916.73 is: 930,514,838.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,179,939.52 : 1,670,004,226.38 = 674,303,916.73 : x
  2. Step 2: Convert to fraction form
    1,210,179,939.52/1,670,004,226.38 = 674,303,916.73/x
  3. Step 3: Cross multiply
    1,210,179,939.52x = 1,670,004,226.38 × 674,303,916.73
  4. Step 4: Simplify right side
    1,210,179,939.52x = 1,126,090,390,803,687,680
  5. Step 5: Solve for x
    x = 1,126,090,390,803,687,680/1,210,179,939.52
  6. Step 6: Final answer
    x = 930,514,838.36

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Half scale
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Double scale
Find fourth proportional to 1,210,179,940.52, 1,670,004,227.76 and 674,303,917.73
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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.