Finding the Fourth Proportional to 642,142,391.84, 963,616,695.60 and 600,823,838.24
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Solution
The fourth proportional to 642,142,391.84, 963,616,695.60 and 600,823,838.24 is: 901,612,927.29
Step by Step Solution
- Step 1: Write the proportion equation
642,142,391.84 : 963,616,695.60 = 600,823,838.24 : x - Step 2: Convert to fraction form
642,142,391.84/963,616,695.60 = 600,823,838.24/x - Step 3: Cross multiply
642,142,391.84x = 963,616,695.60 × 600,823,838.24 - Step 4: Simplify right side
642,142,391.84x = 578,963,881,642,537,728 - Step 5: Solve for x
x = 578,963,881,642,537,728/642,142,391.84 - Step 6: Final answer
x = 901,612,927.29
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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.