Home / 769,835,124.80-1,152,485,205.60-724,989,377.60

Finding the Fourth Proportional to 769,835,124.80, 1,152,485,205.60 and 724,989,377.60

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Solution

The fourth proportional to 769,835,124.80, 1,152,485,205.60 and 724,989,377.60 is: 1,085,348,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,835,124.80 : 1,152,485,205.60 = 724,989,377.60 : x
  2. Step 2: Convert to fraction form
    769,835,124.80/1,152,485,205.60 = 724,989,377.60/x
  3. Step 3: Cross multiply
    769,835,124.80x = 1,152,485,205.60 × 724,989,377.60
  4. Step 4: Simplify right side
    769,835,124.80x = 835,539,531,901,152,000
  5. Step 5: Solve for x
    x = 835,539,531,901,152,000/769,835,124.80
  6. Step 6: Final answer
    x = 1,085,348,674.00

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1.5x scale

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.