Home / 2,809,575,804.33-4,212,984,654.28-1,389,832,570.62

Finding the Fourth Proportional to 2,809,575,804.33, 4,212,984,654.28 and 1,389,832,570.62

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Solution

The fourth proportional to 2,809,575,804.33, 4,212,984,654.28 and 1,389,832,570.62 is: 2,084,066,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,575,804.33 : 4,212,984,654.28 = 1,389,832,570.62 : x
  2. Step 2: Convert to fraction form
    2,809,575,804.33/4,212,984,654.28 = 1,389,832,570.62/x
  3. Step 3: Cross multiply
    2,809,575,804.33x = 4,212,984,654.28 × 1,389,832,570.62
  4. Step 4: Simplify right side
    2,809,575,804.33x = 5,855,343,292,046,543,872
  5. Step 5: Solve for x
    x = 5,855,343,292,046,543,872/2,809,575,804.33
  6. Step 6: Final answer
    x = 2,084,066,670.50

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Double scale
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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.