Finding the Fourth Proportional to 887,663,944.48, 1,225,068,448.40 and 511,333,538.08
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Solution
The fourth proportional to 887,663,944.48, 1,225,068,448.40 and 511,333,538.08 is: 705,693,396.70
Step by Step Solution
- Step 1: Write the proportion equation
887,663,944.48 : 1,225,068,448.40 = 511,333,538.08 : x - Step 2: Convert to fraction form
887,663,944.48/1,225,068,448.40 = 511,333,538.08/x - Step 3: Cross multiply
887,663,944.48x = 1,225,068,448.40 × 511,333,538.08 - Step 4: Simplify right side
887,663,944.48x = 626,418,584,110,547,968 - Step 5: Solve for x
x = 626,418,584,110,547,968/887,663,944.48 - Step 6: Final answer
x = 705,693,396.70
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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.