Home / 2,618,668,135.78-3,613,710,802.89-1,429,245,630.52

Finding the Fourth Proportional to 2,618,668,135.78, 3,613,710,802.89 and 1,429,245,630.52

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Solution

The fourth proportional to 2,618,668,135.78, 3,613,710,802.89 and 1,429,245,630.52 is: 1,972,331,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,668,135.78 : 3,613,710,802.89 = 1,429,245,630.52 : x
  2. Step 2: Convert to fraction form
    2,618,668,135.78/3,613,710,802.89 = 1,429,245,630.52/x
  3. Step 3: Cross multiply
    2,618,668,135.78x = 3,613,710,802.89 × 1,429,245,630.52
  4. Step 4: Simplify right side
    2,618,668,135.78x = 5,164,880,374,993,453,056
  5. Step 5: Solve for x
    x = 5,164,880,374,993,453,056/2,618,668,135.78
  6. Step 6: Final answer
    x = 1,972,331,012.25

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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.