Finding the Fourth Proportional to 970,242,940.84, 1,339,071,811.14 and 617,706,316.84
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Solution
The fourth proportional to 970,242,940.84, 1,339,071,811.14 and 617,706,316.84 is: 852,521,653.73
Step by Step Solution
- Step 1: Write the proportion equation
970,242,940.84 : 1,339,071,811.14 = 617,706,316.84 : x - Step 2: Convert to fraction form
970,242,940.84/1,339,071,811.14 = 617,706,316.84/x - Step 3: Cross multiply
970,242,940.84x = 1,339,071,811.14 × 617,706,316.84 - Step 4: Simplify right side
970,242,940.84x = 827,153,116,443,557,632 - Step 5: Solve for x
x = 827,153,116,443,557,632/970,242,940.84 - Step 6: Final answer
x = 852,521,653.73
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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.