Home / 2,013,979,833,362.80-3,019,866,509,664.60-991,849,688,992.15

Finding the Fourth Proportional to 2,013,979,833,362.80, 3,019,866,509,664.60 and 991,849,688,992.15

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Solution

The fourth proportional to 2,013,979,833,362.80, 3,019,866,509,664.60 and 991,849,688,992.15 is: 1,487,231,206,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,979,833,362.80 : 3,019,866,509,664.60 = 991,849,688,992.15 : x
  2. Step 2: Convert to fraction form
    2,013,979,833,362.80/3,019,866,509,664.60 = 991,849,688,992.15/x
  3. Step 3: Cross multiply
    2,013,979,833,362.80x = 3,019,866,509,664.60 × 991,849,688,992.15
  4. Step 4: Simplify right side
    2,013,979,833,362.80x = 2,995,253,658,408,643,087,826,944
  5. Step 5: Solve for x
    x = 2,995,253,658,408,643,087,826,944/2,013,979,833,362.80
  6. Step 6: Final answer
    x = 1,487,231,206,981.54

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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.