Home / 847,980,016.36-1,169,422,913.72-550,303,969.03

Finding the Fourth Proportional to 847,980,016.36, 1,169,422,913.72 and 550,303,969.03

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Solution

The fourth proportional to 847,980,016.36, 1,169,422,913.72 and 550,303,969.03 is: 758,907,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,980,016.36 : 1,169,422,913.72 = 550,303,969.03 : x
  2. Step 2: Convert to fraction form
    847,980,016.36/1,169,422,913.72 = 550,303,969.03/x
  3. Step 3: Cross multiply
    847,980,016.36x = 1,169,422,913.72 × 550,303,969.03
  4. Step 4: Simplify right side
    847,980,016.36x = 643,538,070,893,195,520
  5. Step 5: Solve for x
    x = 643,538,070,893,195,520/847,980,016.36
  6. Step 6: Final answer
    x = 758,907,118.66

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1.5x scale

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.