Home / 1,030,111,080.48-1,421,873,372.52-818,792,877.96

Finding the Fourth Proportional to 1,030,111,080.48, 1,421,873,372.52 and 818,792,877.96

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Solution

The fourth proportional to 1,030,111,080.48, 1,421,873,372.52 and 818,792,877.96 is: 1,130,188,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,111,080.48 : 1,421,873,372.52 = 818,792,877.96 : x
  2. Step 2: Convert to fraction form
    1,030,111,080.48/1,421,873,372.52 = 818,792,877.96/x
  3. Step 3: Cross multiply
    1,030,111,080.48x = 1,421,873,372.52 × 818,792,877.96
  4. Step 4: Simplify right side
    1,030,111,080.48x = 1,164,219,790,780,342,016
  5. Step 5: Solve for x
    x = 1,164,219,790,780,342,016/1,030,111,080.48
  6. Step 6: Final answer
    x = 1,130,188,591.15

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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.