Home / 1,918,779,324.30-2,878,168,986.45-1,918,779,324.30

Finding the Fourth Proportional to 1,918,779,324.30, 2,878,168,986.45 and 1,918,779,324.30

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Solution

The fourth proportional to 1,918,779,324.30, 2,878,168,986.45 and 1,918,779,324.30 is: 2,878,168,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,779,324.30 : 2,878,168,986.45 = 1,918,779,324.30 : x
  2. Step 2: Convert to fraction form
    1,918,779,324.30/2,878,168,986.45 = 1,918,779,324.30/x
  3. Step 3: Cross multiply
    1,918,779,324.30x = 2,878,168,986.45 × 1,918,779,324.30
  4. Step 4: Simplify right side
    1,918,779,324.30x = 5,522,571,143,041,745,920
  5. Step 5: Solve for x
    x = 5,522,571,143,041,745,920/1,918,779,324.30
  6. Step 6: Final answer
    x = 2,878,168,986.45

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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.