Home / 1,905,395,451.63-2,857,776,171.90-577,107,684.72

Finding the Fourth Proportional to 1,905,395,451.63, 2,857,776,171.90 and 577,107,684.72

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Solution

The fourth proportional to 1,905,395,451.63, 2,857,776,171.90 and 577,107,684.72 is: 865,565,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,395,451.63 : 2,857,776,171.90 = 577,107,684.72 : x
  2. Step 2: Convert to fraction form
    1,905,395,451.63/2,857,776,171.90 = 577,107,684.72/x
  3. Step 3: Cross multiply
    1,905,395,451.63x = 2,857,776,171.90 × 577,107,684.72
  4. Step 4: Simplify right side
    1,905,395,451.63x = 1,649,244,590,014,636,544
  5. Step 5: Solve for x
    x = 1,649,244,590,014,636,544/1,905,395,451.63
  6. Step 6: Final answer
    x = 865,565,512.19

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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.