Home / 1,779,524,521.80-2,670,083,045.10-809,676,918.60

Finding the Fourth Proportional to 1,779,524,521.80, 2,670,083,045.10 and 809,676,918.60

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Solution

The fourth proportional to 1,779,524,521.80, 2,670,083,045.10 and 809,676,918.60 is: 1,214,877,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,524,521.80 : 2,670,083,045.10 = 809,676,918.60 : x
  2. Step 2: Convert to fraction form
    1,779,524,521.80/2,670,083,045.10 = 809,676,918.60/x
  3. Step 3: Cross multiply
    1,779,524,521.80x = 2,670,083,045.10 × 809,676,918.60
  4. Step 4: Simplify right side
    1,779,524,521.80x = 2,161,904,612,362,672,896
  5. Step 5: Solve for x
    x = 2,161,904,612,362,672,896/1,779,524,521.80
  6. Step 6: Final answer
    x = 1,214,877,674.28

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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.