Finding the Fourth Proportional to 1,017,808,307.68, 1,525,299,990.24 and 463,756,707.28
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Solution
The fourth proportional to 1,017,808,307.68, 1,525,299,990.24 and 463,756,707.28 is: 694,991,478.99
Step by Step Solution
- Step 1: Write the proportion equation
1,017,808,307.68 : 1,525,299,990.24 = 463,756,707.28 : x - Step 2: Convert to fraction form
1,017,808,307.68/1,525,299,990.24 = 463,756,707.28/x - Step 3: Cross multiply
1,017,808,307.68x = 1,525,299,990.24 × 463,756,707.28 - Step 4: Simplify right side
1,017,808,307.68x = 707,368,101,087,918,464 - Step 5: Solve for x
x = 707,368,101,087,918,464/1,017,808,307.68 - Step 6: Final answer
x = 694,991,478.99
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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.