Finding the Fourth Proportional to 1,749,160,950.40, 2,624,749,195.20 and 659,426,089.60
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Solution
The fourth proportional to 1,749,160,950.40, 2,624,749,195.20 and 659,426,089.60 is: 989,519,059.17
Step by Step Solution
- Step 1: Write the proportion equation
1,749,160,950.40 : 2,624,749,195.20 = 659,426,089.60 : x - Step 2: Convert to fraction form
1,749,160,950.40/2,624,749,195.20 = 659,426,089.60/x - Step 3: Cross multiply
1,749,160,950.40x = 2,624,749,195.20 × 659,426,089.60 - Step 4: Simplify right side
1,749,160,950.40x = 1,730,828,097,971,483,136 - Step 5: Solve for x
x = 1,730,828,097,971,483,136/1,749,160,950.40 - Step 6: Final answer
x = 989,519,059.17
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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.