Finding the Fourth Proportional to 6,312,390,948.36, 8,703,970,888.50 and 4,721,384,127.24
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Solution
The fourth proportional to 6,312,390,948.36, 8,703,970,888.50 and 4,721,384,127.24 is: 6,510,178,208.72
Step by Step Solution
- Step 1: Write the proportion equation
6,312,390,948.36 : 8,703,970,888.50 = 4,721,384,127.24 : x - Step 2: Convert to fraction form
6,312,390,948.36/8,703,970,888.50 = 4,721,384,127.24/x - Step 3: Cross multiply
6,312,390,948.36x = 8,703,970,888.50 × 4,721,384,127.24 - Step 4: Simplify right side
6,312,390,948.36x = 41,094,789,996,922,937,344 - Step 5: Solve for x
x = 41,094,789,996,922,937,344/6,312,390,948.36 - Step 6: Final answer
x = 6,510,178,208.72
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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.