Finding the Fourth Proportional to 402,019,666.40, 563,592,808 and 402,019,666.40
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Solution
The fourth proportional to 402,019,666.40, 563,592,808 and 402,019,666.40 is: 563,592,808
Step by Step Solution
- Step 1: Write the proportion equation
402,019,666.40 : 563,592,808 = 402,019,666.40 : x - Step 2: Convert to fraction form
402,019,666.40/563,592,808 = 402,019,666.40/x - Step 3: Cross multiply
402,019,666.40x = 563,592,808 × 402,019,666.40 - Step 4: Simplify right side
402,019,666.40x = 226,575,392,657,599,232 - Step 5: Solve for x
x = 226,575,392,657,599,232/402,019,666.40 - Step 6: Final answer
x = 563,592,808
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.