Home / 353,570,538,736.16-530,355,807,504.86-84,959,518,928.85

Finding the Fourth Proportional to 353,570,538,736.16, 530,355,807,504.86 and 84,959,518,928.85

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Solution

The fourth proportional to 353,570,538,736.16, 530,355,807,504.86 and 84,959,518,928.85 is: 127,439,278,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,570,538,736.16 : 530,355,807,504.86 = 84,959,518,928.85 : x
  2. Step 2: Convert to fraction form
    353,570,538,736.16/530,355,807,504.86 = 84,959,518,928.85/x
  3. Step 3: Cross multiply
    353,570,538,736.16x = 530,355,807,504.86 × 84,959,518,928.85
  4. Step 4: Simplify right side
    353,570,538,736.16x = 45,058,774,266,734,683,619,328
  5. Step 5: Solve for x
    x = 45,058,774,266,734,683,619,328/353,570,538,736.16
  6. Step 6: Final answer
    x = 127,439,278,249.25

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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.