Home / 1,210,180,394.45-1,670,004,853.47-674,304,371.69

Finding the Fourth Proportional to 1,210,180,394.45, 1,670,004,853.47 and 674,304,371.69

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Solution

The fourth proportional to 1,210,180,394.45, 1,670,004,853.47 and 674,304,371.69 is: 930,515,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,180,394.45 : 1,670,004,853.47 = 674,304,371.69 : x
  2. Step 2: Convert to fraction form
    1,210,180,394.45/1,670,004,853.47 = 674,304,371.69/x
  3. Step 3: Cross multiply
    1,210,180,394.45x = 1,670,004,853.47 × 674,304,371.69
  4. Step 4: Simplify right side
    1,210,180,394.45x = 1,126,091,573,429,988,736
  5. Step 5: Solve for x
    x = 1,126,091,573,429,988,736/1,210,180,394.45
  6. Step 6: Final answer
    x = 930,515,465.79

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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.