Home / 1,210,179,938.27-1,670,004,224.66-674,303,915.48

Finding the Fourth Proportional to 1,210,179,938.27, 1,670,004,224.66 and 674,303,915.48

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Solution

The fourth proportional to 1,210,179,938.27, 1,670,004,224.66 and 674,303,915.48 is: 930,514,836.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,179,938.27 : 1,670,004,224.66 = 674,303,915.48 : x
  2. Step 2: Convert to fraction form
    1,210,179,938.27/1,670,004,224.66 = 674,303,915.48/x
  3. Step 3: Cross multiply
    1,210,179,938.27x = 1,670,004,224.66 × 674,303,915.48
  4. Step 4: Simplify right side
    1,210,179,938.27x = 1,126,090,387,553,008,128
  5. Step 5: Solve for x
    x = 1,126,090,387,553,008,128/1,210,179,938.27
  6. Step 6: Final answer
    x = 930,514,836.63

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Half scale
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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.