Home / 380,554,819.11-570,844,038.47-181,090,397.19

Finding the Fourth Proportional to 380,554,819.11, 570,844,038.47 and 181,090,397.19

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Solution

The fourth proportional to 380,554,819.11, 570,844,038.47 and 181,090,397.19 is: 271,641,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,554,819.11 : 570,844,038.47 = 181,090,397.19 : x
  2. Step 2: Convert to fraction form
    380,554,819.11/570,844,038.47 = 181,090,397.19/x
  3. Step 3: Cross multiply
    380,554,819.11x = 570,844,038.47 × 181,090,397.19
  4. Step 4: Simplify right side
    380,554,819.11x = 103,374,373,659,170,496
  5. Step 5: Solve for x
    x = 103,374,373,659,170,496/380,554,819.11
  6. Step 6: Final answer
    x = 271,641,215.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.