Home / 883,458,653.84-1,220,337,385.12-660,052,054.88

Finding the Fourth Proportional to 883,458,653.84, 1,220,337,385.12 and 660,052,054.88

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Solution

The fourth proportional to 883,458,653.84, 1,220,337,385.12 and 660,052,054.88 is: 911,741,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,458,653.84 : 1,220,337,385.12 = 660,052,054.88 : x
  2. Step 2: Convert to fraction form
    883,458,653.84/1,220,337,385.12 = 660,052,054.88/x
  3. Step 3: Cross multiply
    883,458,653.84x = 1,220,337,385.12 × 660,052,054.88
  4. Step 4: Simplify right side
    883,458,653.84x = 805,486,198,695,341,824
  5. Step 5: Solve for x
    x = 805,486,198,695,341,824/883,458,653.84
  6. Step 6: Final answer
    x = 911,741,817.45

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Double scale
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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.