Home / 2,833,614,802.85-3,909,904,136.87-1,643,911,051.21

Finding the Fourth Proportional to 2,833,614,802.85, 3,909,904,136.87 and 1,643,911,051.21

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Solution

The fourth proportional to 2,833,614,802.85, 3,909,904,136.87 and 1,643,911,051.21 is: 2,268,316,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833,614,802.85 : 3,909,904,136.87 = 1,643,911,051.21 : x
  2. Step 2: Convert to fraction form
    2,833,614,802.85/3,909,904,136.87 = 1,643,911,051.21/x
  3. Step 3: Cross multiply
    2,833,614,802.85x = 3,909,904,136.87 × 1,643,911,051.21
  4. Step 4: Simplify right side
    2,833,614,802.85x = 6,427,534,619,781,122,048
  5. Step 5: Solve for x
    x = 6,427,534,619,781,122,048/2,833,614,802.85
  6. Step 6: Final answer
    x = 2,268,316,291.02

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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.