Finding the Fourth Proportional to 559,128,506.62, 771,599,677.56 and 308,227,391.98
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Solution
The fourth proportional to 559,128,506.62, 771,599,677.56 and 308,227,391.98 is: 425,355,090.02
Step by Step Solution
- Step 1: Write the proportion equation
559,128,506.62 : 771,599,677.56 = 308,227,391.98 : x - Step 2: Convert to fraction form
559,128,506.62/771,599,677.56 = 308,227,391.98/x - Step 3: Cross multiply
559,128,506.62x = 771,599,677.56 × 308,227,391.98 - Step 4: Simplify right side
559,128,506.62x = 237,828,156,266,927,712 - Step 5: Solve for x
x = 237,828,156,266,927,712/559,128,506.62 - Step 6: Final answer
x = 425,355,090.02
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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.