Home / 1,435,008,613.61-1,980,311,870.33-774,958,891.61

Finding the Fourth Proportional to 1,435,008,613.61, 1,980,311,870.33 and 774,958,891.61

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Solution

The fourth proportional to 1,435,008,613.61, 1,980,311,870.33 and 774,958,891.61 is: 1,069,443,261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,008,613.61 : 1,980,311,870.33 = 774,958,891.61 : x
  2. Step 2: Convert to fraction form
    1,435,008,613.61/1,980,311,870.33 = 774,958,891.61/x
  3. Step 3: Cross multiply
    1,435,008,613.61x = 1,980,311,870.33 × 774,958,891.61
  4. Step 4: Simplify right side
    1,435,008,613.61x = 1,534,660,292,077,083,648
  5. Step 5: Solve for x
    x = 1,534,660,292,077,083,648/1,435,008,613.61
  6. Step 6: Final answer
    x = 1,069,443,261.54

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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.