Home / 1,262,205,866.40-1,892,413,004.40-572,443,562.40

Finding the Fourth Proportional to 1,262,205,866.40, 1,892,413,004.40 and 572,443,562.40

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Solution

The fourth proportional to 1,262,205,866.40, 1,892,413,004.40 and 572,443,562.40 is: 858,259,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,205,866.40 : 1,892,413,004.40 = 572,443,562.40 : x
  2. Step 2: Convert to fraction form
    1,262,205,866.40/1,892,413,004.40 = 572,443,562.40/x
  3. Step 3: Cross multiply
    1,262,205,866.40x = 1,892,413,004.40 × 572,443,562.40
  4. Step 4: Simplify right side
    1,262,205,866.40x = 1,083,299,641,770,822,912
  5. Step 5: Solve for x
    x = 1,083,299,641,770,822,912/1,262,205,866.40
  6. Step 6: Final answer
    x = 858,259,076.91

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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.