Home / 769,829,644.80-1,152,476,985.60-724,983,897.60

Finding the Fourth Proportional to 769,829,644.80, 1,152,476,985.60 and 724,983,897.60

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Solution

The fourth proportional to 769,829,644.80, 1,152,476,985.60 and 724,983,897.60 is: 1,085,340,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,829,644.80 : 1,152,476,985.60 = 724,983,897.60 : x
  2. Step 2: Convert to fraction form
    769,829,644.80/1,152,476,985.60 = 724,983,897.60/x
  3. Step 3: Cross multiply
    769,829,644.80x = 1,152,476,985.60 × 724,983,897.60
  4. Step 4: Simplify right side
    769,829,644.80x = 835,527,256,914,587,008
  5. Step 5: Solve for x
    x = 835,527,256,914,587,008/769,829,644.80
  6. Step 6: Final answer
    x = 1,085,340,454.94

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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.