Finding the Fourth Proportional to 1,270,811,264.20, 1,905,125,156.84 and 441,657,182.08
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Solution
The fourth proportional to 1,270,811,264.20, 1,905,125,156.84 and 441,657,182.08 is: 662,106,350.47
Step by Step Solution
- Step 1: Write the proportion equation
1,270,811,264.20 : 1,905,125,156.84 = 441,657,182.08 : x - Step 2: Convert to fraction form
1,270,811,264.20/1,905,125,156.84 = 441,657,182.08/x - Step 3: Cross multiply
1,270,811,264.20x = 1,905,125,156.84 × 441,657,182.08 - Step 4: Simplify right side
1,270,811,264.20x = 841,412,208,276,587,008 - Step 5: Solve for x
x = 841,412,208,276,587,008/1,270,811,264.20 - Step 6: Final answer
x = 662,106,350.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.