Finding the Fourth Proportional to 1,119,276,350.16, 1,544,604,104.52 and 624,271,120.08
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Solution
The fourth proportional to 1,119,276,350.16, 1,544,604,104.52 and 624,271,120.08 is: 861,495,674.66
Step by Step Solution
- Step 1: Write the proportion equation
1,119,276,350.16 : 1,544,604,104.52 = 624,271,120.08 : x - Step 2: Convert to fraction form
1,119,276,350.16/1,544,604,104.52 = 624,271,120.08/x - Step 3: Cross multiply
1,119,276,350.16x = 1,544,604,104.52 × 624,271,120.08 - Step 4: Simplify right side
1,119,276,350.16x = 964,251,734,408,865,792 - Step 5: Solve for x
x = 964,251,734,408,865,792/1,119,276,350.16 - Step 6: Final answer
x = 861,495,674.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.