Home / 1,085,446,420.80-1,628,169,631.20-650,089,953.60

Finding the Fourth Proportional to 1,085,446,420.80, 1,628,169,631.20 and 650,089,953.60

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Solution

The fourth proportional to 1,085,446,420.80, 1,628,169,631.20 and 650,089,953.60 is: 975,134,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,446,420.80 : 1,628,169,631.20 = 650,089,953.60 : x
  2. Step 2: Convert to fraction form
    1,085,446,420.80/1,628,169,631.20 = 650,089,953.60/x
  3. Step 3: Cross multiply
    1,085,446,420.80x = 1,628,169,631.20 × 650,089,953.60
  4. Step 4: Simplify right side
    1,085,446,420.80x = 1,058,456,719,999,737,216
  5. Step 5: Solve for x
    x = 1,058,456,719,999,737,216/1,085,446,420.80
  6. Step 6: Final answer
    x = 975,134,930.40

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1.5x scale

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.