Home / 2,556,556,995.81-3,831,445,342.80-1,312,937,226.12

Finding the Fourth Proportional to 2,556,556,995.81, 3,831,445,342.80 and 1,312,937,226.12

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Solution

The fourth proportional to 2,556,556,995.81, 3,831,445,342.80 and 1,312,937,226.12 is: 1,967,664,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,556,995.81 : 3,831,445,342.80 = 1,312,937,226.12 : x
  2. Step 2: Convert to fraction form
    2,556,556,995.81/3,831,445,342.80 = 1,312,937,226.12/x
  3. Step 3: Cross multiply
    2,556,556,995.81x = 3,831,445,342.80 × 1,312,937,226.12
  4. Step 4: Simplify right side
    2,556,556,995.81x = 5,030,447,220,406,223,872
  5. Step 5: Solve for x
    x = 5,030,447,220,406,223,872/2,556,556,995.81
  6. Step 6: Final answer
    x = 1,967,664,804.13

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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.