Home / 2,220,528,091.20-3,328,403,349.60-839,809,089.60

Finding the Fourth Proportional to 2,220,528,091.20, 3,328,403,349.60 and 839,809,089.60

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Solution

The fourth proportional to 2,220,528,091.20, 3,328,403,349.60 and 839,809,089.60 is: 1,258,810,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,528,091.20 : 3,328,403,349.60 = 839,809,089.60 : x
  2. Step 2: Convert to fraction form
    2,220,528,091.20/3,328,403,349.60 = 839,809,089.60/x
  3. Step 3: Cross multiply
    2,220,528,091.20x = 3,328,403,349.60 × 839,809,089.60
  4. Step 4: Simplify right side
    2,220,528,091.20x = 2,795,223,386,849,166,336
  5. Step 5: Solve for x
    x = 2,795,223,386,849,166,336/2,220,528,091.20
  6. Step 6: Final answer
    x = 1,258,810,189.31

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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.