Home / 2,070,057,791.39-3,103,272,701.80-778,500,272.03

Finding the Fourth Proportional to 2,070,057,791.39, 3,103,272,701.80 and 778,500,272.03

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Solution

The fourth proportional to 2,070,057,791.39, 3,103,272,701.80 and 778,500,272.03 is: 1,167,068,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,057,791.39 : 3,103,272,701.80 = 778,500,272.03 : x
  2. Step 2: Convert to fraction form
    2,070,057,791.39/3,103,272,701.80 = 778,500,272.03/x
  3. Step 3: Cross multiply
    2,070,057,791.39x = 3,103,272,701.80 × 778,500,272.03
  4. Step 4: Simplify right side
    2,070,057,791.39x = 2,415,898,642,534,573,056
  5. Step 5: Solve for x
    x = 2,415,898,642,534,573,056/2,070,057,791.39
  6. Step 6: Final answer
    x = 1,167,068,210.65

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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.