Home / 1,010,943,999.40-1,516,415,999.10-827,277,989.80

Finding the Fourth Proportional to 1,010,943,999.40, 1,516,415,999.10 and 827,277,989.80

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Solution

The fourth proportional to 1,010,943,999.40, 1,516,415,999.10 and 827,277,989.80 is: 1,240,916,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,943,999.40 : 1,516,415,999.10 = 827,277,989.80 : x
  2. Step 2: Convert to fraction form
    1,010,943,999.40/1,516,415,999.10 = 827,277,989.80/x
  3. Step 3: Cross multiply
    1,010,943,999.40x = 1,516,415,999.10 × 827,277,989.80
  4. Step 4: Simplify right side
    1,010,943,999.40x = 1,254,497,579,436,006,400
  5. Step 5: Solve for x
    x = 1,254,497,579,436,006,400/1,010,943,999.40
  6. Step 6: Final answer
    x = 1,240,916,984.70

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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.