Home / 13,452,977,405.40-20,179,466,108.10-12,779,535,370.20

Finding the Fourth Proportional to 13,452,977,405.40, 20,179,466,108.10 and 12,779,535,370.20

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Solution

The fourth proportional to 13,452,977,405.40, 20,179,466,108.10 and 12,779,535,370.20 is: 19,169,303,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,977,405.40 : 20,179,466,108.10 = 12,779,535,370.20 : x
  2. Step 2: Convert to fraction form
    13,452,977,405.40/20,179,466,108.10 = 12,779,535,370.20/x
  3. Step 3: Cross multiply
    13,452,977,405.40x = 20,179,466,108.10 × 12,779,535,370.20
  4. Step 4: Simplify right side
    13,452,977,405.40x = 257,884,200,880,216,080,384
  5. Step 5: Solve for x
    x = 257,884,200,880,216,080,384/13,452,977,405.40
  6. Step 6: Final answer
    x = 19,169,303,055.30

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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.