Home / 3,573,078,850.71-4,930,984,862.70-1,987,285,478.76

Finding the Fourth Proportional to 3,573,078,850.71, 4,930,984,862.70 and 1,987,285,478.76

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Solution

The fourth proportional to 3,573,078,850.71, 4,930,984,862.70 and 1,987,285,478.76 is: 2,742,529,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573,078,850.71 : 4,930,984,862.70 = 1,987,285,478.76 : x
  2. Step 2: Convert to fraction form
    3,573,078,850.71/4,930,984,862.70 = 1,987,285,478.76/x
  3. Step 3: Cross multiply
    3,573,078,850.71x = 4,930,984,862.70 × 1,987,285,478.76
  4. Step 4: Simplify right side
    3,573,078,850.71x = 9,799,274,613,629,081,600
  5. Step 5: Solve for x
    x = 9,799,274,613,629,081,600/3,573,078,850.71
  6. Step 6: Final answer
    x = 2,742,529,628.67

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Half scale
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Double scale
Find fourth proportional to 3,573,078,851.71, 4,930,984,864.08 and 1,987,285,479.76
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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.