Home / 2,856,591,875.80-4,284,887,813.70-786,633,117.40

Finding the Fourth Proportional to 2,856,591,875.80, 4,284,887,813.70 and 786,633,117.40

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Solution

The fourth proportional to 2,856,591,875.80, 4,284,887,813.70 and 786,633,117.40 is: 1,179,949,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,591,875.80 : 4,284,887,813.70 = 786,633,117.40 : x
  2. Step 2: Convert to fraction form
    2,856,591,875.80/4,284,887,813.70 = 786,633,117.40/x
  3. Step 3: Cross multiply
    2,856,591,875.80x = 4,284,887,813.70 × 786,633,117.40
  4. Step 4: Simplify right side
    2,856,591,875.80x = 3,370,634,658,600,101,376
  5. Step 5: Solve for x
    x = 3,370,634,658,600,101,376/2,856,591,875.80
  6. Step 6: Final answer
    x = 1,179,949,676.10

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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.