Home / 2,556,556,998.81-3,831,445,347.30-1,312,937,229.12

Finding the Fourth Proportional to 2,556,556,998.81, 3,831,445,347.30 and 1,312,937,229.12

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Solution

The fourth proportional to 2,556,556,998.81, 3,831,445,347.30 and 1,312,937,229.12 is: 1,967,664,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,556,998.81 : 3,831,445,347.30 = 1,312,937,229.12 : x
  2. Step 2: Convert to fraction form
    2,556,556,998.81/3,831,445,347.30 = 1,312,937,229.12/x
  3. Step 3: Cross multiply
    2,556,556,998.81x = 3,831,445,347.30 × 1,312,937,229.12
  4. Step 4: Simplify right side
    2,556,556,998.81x = 5,030,447,237,808,778,240
  5. Step 5: Solve for x
    x = 5,030,447,237,808,778,240/2,556,556,998.81
  6. Step 6: Final answer
    x = 1,967,664,808.63

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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.