Home / 1,663,341,073.44-2,295,428,821.20-920,797,536.48

Finding the Fourth Proportional to 1,663,341,073.44, 2,295,428,821.20 and 920,797,536.48

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Solution

The fourth proportional to 1,663,341,073.44, 2,295,428,821.20 and 920,797,536.48 is: 1,270,710,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,341,073.44 : 2,295,428,821.20 = 920,797,536.48 : x
  2. Step 2: Convert to fraction form
    1,663,341,073.44/2,295,428,821.20 = 920,797,536.48/x
  3. Step 3: Cross multiply
    1,663,341,073.44x = 2,295,428,821.20 × 920,797,536.48
  4. Step 4: Simplify right side
    1,663,341,073.44x = 2,113,625,203,726,150,144
  5. Step 5: Solve for x
    x = 2,113,625,203,726,150,144/1,663,341,073.44
  6. Step 6: Final answer
    x = 1,270,710,642.26

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Double scale
Find fourth proportional to 1,663,341,074.44, 2,295,428,822.58 and 920,797,537.48
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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.