Finding the Fourth Proportional to 406,258,117.02, 560,807,822.25 and 274,277,881.62
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Solution
The fourth proportional to 406,258,117.02, 560,807,822.25 and 274,277,881.62 is: 378,619,343.32
Step by Step Solution
- Step 1: Write the proportion equation
406,258,117.02 : 560,807,822.25 = 274,277,881.62 : x - Step 2: Convert to fraction form
406,258,117.02/560,807,822.25 = 274,277,881.62/x - Step 3: Cross multiply
406,258,117.02x = 560,807,822.25 × 274,277,881.62 - Step 4: Simplify right side
406,258,117.02x = 153,817,181,482,655,520 - Step 5: Solve for x
x = 153,817,181,482,655,520/406,258,117.02 - Step 6: Final answer
x = 378,619,343.32
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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.