Home / 2,556,557,008.81-3,831,445,362.30-1,312,937,239.12

Finding the Fourth Proportional to 2,556,557,008.81, 3,831,445,362.30 and 1,312,937,239.12

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Solution

The fourth proportional to 2,556,557,008.81, 3,831,445,362.30 and 1,312,937,239.12 is: 1,967,664,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,557,008.81 : 3,831,445,362.30 = 1,312,937,239.12 : x
  2. Step 2: Convert to fraction form
    2,556,557,008.81/3,831,445,362.30 = 1,312,937,239.12/x
  3. Step 3: Cross multiply
    2,556,557,008.81x = 3,831,445,362.30 × 1,312,937,239.12
  4. Step 4: Simplify right side
    2,556,557,008.81x = 5,030,447,295,817,289,728
  5. Step 5: Solve for x
    x = 5,030,447,295,817,289,728/2,556,557,008.81
  6. Step 6: Final answer
    x = 1,967,664,823.62

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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.