Home / 680,809,999.80-1,019,703,345.30-559,877,647.80

Finding the Fourth Proportional to 680,809,999.80, 1,019,703,345.30 and 559,877,647.80

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Solution

The fourth proportional to 680,809,999.80, 1,019,703,345.30 and 559,877,647.80 is: 838,573,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,809,999.80 : 1,019,703,345.30 = 559,877,647.80 : x
  2. Step 2: Convert to fraction form
    680,809,999.80/1,019,703,345.30 = 559,877,647.80/x
  3. Step 3: Cross multiply
    680,809,999.80x = 1,019,703,345.30 × 559,877,647.80
  4. Step 4: Simplify right side
    680,809,999.80x = 570,909,110,420,355,136
  5. Step 5: Solve for x
    x = 570,909,110,420,355,136/680,809,999.80
  6. Step 6: Final answer
    x = 838,573,332.63

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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.