Home / 1,273,841,206,071.80-1,910,768,952,671.40-424,895,405,487.23

Finding the Fourth Proportional to 1,273,841,206,071.80, 1,910,768,952,671.40 and 424,895,405,487.23

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Solution

The fourth proportional to 1,273,841,206,071.80, 1,910,768,952,671.40 and 424,895,405,487.23 is: 637,345,490,998.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,841,206,071.80 : 1,910,768,952,671.40 = 424,895,405,487.23 : x
  2. Step 2: Convert to fraction form
    1,273,841,206,071.80/1,910,768,952,671.40 = 424,895,405,487.23/x
  3. Step 3: Cross multiply
    1,273,841,206,071.80x = 1,910,768,952,671.40 × 424,895,405,487.23
  4. Step 4: Simplify right side
    1,273,841,206,071.80x = 811,876,948,937,724,267,593,728
  5. Step 5: Solve for x
    x = 811,876,948,937,724,267,593,728/1,273,841,206,071.80
  6. Step 6: Final answer
    x = 637,345,490,998.32

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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.