Home / 1,339,390,114.40-1,848,461,779.64-803,561,872.12

Finding the Fourth Proportional to 1,339,390,114.40, 1,848,461,779.64 and 803,561,872.12

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Solution

The fourth proportional to 1,339,390,114.40, 1,848,461,779.64 and 803,561,872.12 is: 1,108,977,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,390,114.40 : 1,848,461,779.64 = 803,561,872.12 : x
  2. Step 2: Convert to fraction form
    1,339,390,114.40/1,848,461,779.64 = 803,561,872.12/x
  3. Step 3: Cross multiply
    1,339,390,114.40x = 1,848,461,779.64 × 803,561,872.12
  4. Step 4: Simplify right side
    1,339,390,114.40x = 1,485,353,408,189,785,344
  5. Step 5: Solve for x
    x = 1,485,353,408,189,785,344/1,339,390,114.40
  6. Step 6: Final answer
    x = 1,108,977,431.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.