Home / 2,556,557,004.81-3,831,445,356.30-1,312,937,235.12

Finding the Fourth Proportional to 2,556,557,004.81, 3,831,445,356.30 and 1,312,937,235.12

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Solution

The fourth proportional to 2,556,557,004.81, 3,831,445,356.30 and 1,312,937,235.12 is: 1,967,664,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,557,004.81 : 3,831,445,356.30 = 1,312,937,235.12 : x
  2. Step 2: Convert to fraction form
    2,556,557,004.81/3,831,445,356.30 = 1,312,937,235.12/x
  3. Step 3: Cross multiply
    2,556,557,004.81x = 3,831,445,356.30 × 1,312,937,235.12
  4. Step 4: Simplify right side
    2,556,557,004.81x = 5,030,447,272,613,884,928
  5. Step 5: Solve for x
    x = 5,030,447,272,613,884,928/2,556,557,004.81
  6. Step 6: Final answer
    x = 1,967,664,817.62

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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.