Finding the Fourth Proportional to 554,799,656.99, 765,333,258.30 and 343,038,796.11
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Solution
The fourth proportional to 554,799,656.99, 765,333,258.30 and 343,038,796.11 is: 473,214,062.49
Step by Step Solution
- Step 1: Write the proportion equation
554,799,656.99 : 765,333,258.30 = 343,038,796.11 : x - Step 2: Convert to fraction form
554,799,656.99/765,333,258.30 = 343,038,796.11/x - Step 3: Cross multiply
554,799,656.99x = 765,333,258.30 × 343,038,796.11 - Step 4: Simplify right side
554,799,656.99x = 262,538,999,550,175,648 - Step 5: Solve for x
x = 262,538,999,550,175,648/554,799,656.99 - Step 6: Final answer
x = 473,214,062.49
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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.