Home / 19,006,899,645.05-28,511,438,994.53-5,032,158,405.02

Finding the Fourth Proportional to 19,006,899,645.05, 28,511,438,994.53 and 5,032,158,405.02

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Solution

The fourth proportional to 19,006,899,645.05, 28,511,438,994.53 and 5,032,158,405.02 is: 7,548,526,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006,899,645.05 : 28,511,438,994.53 = 5,032,158,405.02 : x
  2. Step 2: Convert to fraction form
    19,006,899,645.05/28,511,438,994.53 = 5,032,158,405.02/x
  3. Step 3: Cross multiply
    19,006,899,645.05x = 28,511,438,994.53 × 5,032,158,405.02
  4. Step 4: Simplify right side
    19,006,899,645.05x = 143,474,077,375,539,118,080
  5. Step 5: Solve for x
    x = 143,474,077,375,539,118,080/19,006,899,645.05
  6. Step 6: Final answer
    x = 7,548,526,064.48

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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.