Finding the Fourth Proportional to 5,336,461,405.74, 7,360,022,701.56 and 4,691,337,970.05
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Solution
The fourth proportional to 5,336,461,405.74, 7,360,022,701.56 and 4,691,337,970.05 is: 6,470,271,465.49
Step by Step Solution
- Step 1: Write the proportion equation
5,336,461,405.74 : 7,360,022,701.56 = 4,691,337,970.05 : x - Step 2: Convert to fraction form
5,336,461,405.74/7,360,022,701.56 = 4,691,337,970.05/x - Step 3: Cross multiply
5,336,461,405.74x = 7,360,022,701.56 × 4,691,337,970.05 - Step 4: Simplify right side
5,336,461,405.74x = 34,528,353,960,258,412,544 - Step 5: Solve for x
x = 34,528,353,960,258,412,544/5,336,461,405.74 - Step 6: Final answer
x = 6,470,271,465.49
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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.