Home / 834,404,428.80-1,252,054,540.80-349,779,225.60

Finding the Fourth Proportional to 834,404,428.80, 1,252,054,540.80 and 349,779,225.60

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Solution

The fourth proportional to 834,404,428.80, 1,252,054,540.80 and 349,779,225.60 is: 524,856,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,404,428.80 : 1,252,054,540.80 = 349,779,225.60 : x
  2. Step 2: Convert to fraction form
    834,404,428.80/1,252,054,540.80 = 349,779,225.60/x
  3. Step 3: Cross multiply
    834,404,428.80x = 1,252,054,540.80 × 349,779,225.60
  4. Step 4: Simplify right side
    834,404,428.80x = 437,942,667,689,987,648
  5. Step 5: Solve for x
    x = 437,942,667,689,987,648/834,404,428.80
  6. Step 6: Final answer
    x = 524,856,595.40

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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.