Home / 3,079,296,010.40-4,618,944,015.60-781,581,322.40

Finding the Fourth Proportional to 3,079,296,010.40, 4,618,944,015.60 and 781,581,322.40

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Solution

The fourth proportional to 3,079,296,010.40, 4,618,944,015.60 and 781,581,322.40 is: 1,172,371,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,296,010.40 : 4,618,944,015.60 = 781,581,322.40 : x
  2. Step 2: Convert to fraction form
    3,079,296,010.40/4,618,944,015.60 = 781,581,322.40/x
  3. Step 3: Cross multiply
    3,079,296,010.40x = 4,618,944,015.60 × 781,581,322.40
  4. Step 4: Simplify right side
    3,079,296,010.40x = 3,610,080,371,804,214,272
  5. Step 5: Solve for x
    x = 3,610,080,371,804,214,272/3,079,296,010.40
  6. Step 6: Final answer
    x = 1,172,371,983.60

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1.5x scale

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.