Home / 3,178,355,201.72-4,386,908,628.92-2,462,474,779.40

Finding the Fourth Proportional to 3,178,355,201.72, 4,386,908,628.92 and 2,462,474,779.40

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Solution

The fourth proportional to 3,178,355,201.72, 4,386,908,628.92 and 2,462,474,779.40 is: 3,398,818,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,355,201.72 : 4,386,908,628.92 = 2,462,474,779.40 : x
  2. Step 2: Convert to fraction form
    3,178,355,201.72/4,386,908,628.92 = 2,462,474,779.40/x
  3. Step 3: Cross multiply
    3,178,355,201.72x = 4,386,908,628.92 × 2,462,474,779.40
  4. Step 4: Simplify right side
    3,178,355,201.72x = 10,802,651,858,231,953,408
  5. Step 5: Solve for x
    x = 10,802,651,858,231,953,408/3,178,355,201.72
  6. Step 6: Final answer
    x = 3,398,818,310.92

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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.