Finding the Fourth Proportional to 692,852,308.48, 956,128,091.34 and 375,306,566.68
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Solution
The fourth proportional to 692,852,308.48, 956,128,091.34 and 375,306,566.68 is: 517,918,677.44
Step by Step Solution
- Step 1: Write the proportion equation
692,852,308.48 : 956,128,091.34 = 375,306,566.68 : x - Step 2: Convert to fraction form
692,852,308.48/956,128,091.34 = 375,306,566.68/x - Step 3: Cross multiply
692,852,308.48x = 956,128,091.34 × 375,306,566.68 - Step 4: Simplify right side
692,852,308.48x = 358,841,151,267,116,864 - Step 5: Solve for x
x = 358,841,151,267,116,864/692,852,308.48 - Step 6: Final answer
x = 517,918,677.44
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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.