Home / 1,435,008,613.48-1,980,311,870.16-774,958,891.48

Finding the Fourth Proportional to 1,435,008,613.48, 1,980,311,870.16 and 774,958,891.48

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Solution

The fourth proportional to 1,435,008,613.48, 1,980,311,870.16 and 774,958,891.48 is: 1,069,443,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,008,613.48 : 1,980,311,870.16 = 774,958,891.48 : x
  2. Step 2: Convert to fraction form
    1,435,008,613.48/1,980,311,870.16 = 774,958,891.48/x
  3. Step 3: Cross multiply
    1,435,008,613.48x = 1,980,311,870.16 × 774,958,891.48
  4. Step 4: Simplify right side
    1,435,008,613.48x = 1,534,660,291,683,879,424
  5. Step 5: Solve for x
    x = 1,534,660,291,683,879,424/1,435,008,613.48
  6. Step 6: Final answer
    x = 1,069,443,261.36

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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.