Finding the Fourth Proportional to 7,277,808,218.90, 10,916,712,328.35 and 6,992,105,537.30
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Solution
The fourth proportional to 7,277,808,218.90, 10,916,712,328.35 and 6,992,105,537.30 is: 10,488,158,305.95
Step by Step Solution
- Step 1: Write the proportion equation
7,277,808,218.90 : 10,916,712,328.35 = 6,992,105,537.30 : x - Step 2: Convert to fraction form
7,277,808,218.90/10,916,712,328.35 = 6,992,105,537.30/x - Step 3: Cross multiply
7,277,808,218.90x = 10,916,712,328.35 × 6,992,105,537.30 - Step 4: Simplify right side
7,277,808,218.90x = 76,330,804,720,167,223,296 - Step 5: Solve for x
x = 76,330,804,720,167,223,296/7,277,808,218.90 - Step 6: Final answer
x = 10,488,158,305.95
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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.