Finding the Fourth Proportional to 865,910,116.13, 1,195,045,024.19 and 526,842,663.02
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Solution
The fourth proportional to 865,910,116.13, 1,195,045,024.19 and 526,842,663.02 is: 727,097,063.82
Step by Step Solution
- Step 1: Write the proportion equation
865,910,116.13 : 1,195,045,024.19 = 526,842,663.02 : x - Step 2: Convert to fraction form
865,910,116.13/1,195,045,024.19 = 526,842,663.02/x - Step 3: Cross multiply
865,910,116.13x = 1,195,045,024.19 × 526,842,663.02 - Step 4: Simplify right side
865,910,116.13x = 629,600,702,971,481,216 - Step 5: Solve for x
x = 629,600,702,971,481,216/865,910,116.13 - Step 6: Final answer
x = 727,097,063.82
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1.5x scale
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.