Finding the Fourth Proportional to 1,154,750,415.60, 1,732,125,623.40 and 336,756,428.40
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Solution
The fourth proportional to 1,154,750,415.60, 1,732,125,623.40 and 336,756,428.40 is: 505,134,642.60
Step by Step Solution
- Step 1: Write the proportion equation
1,154,750,415.60 : 1,732,125,623.40 = 336,756,428.40 : x - Step 2: Convert to fraction form
1,154,750,415.60/1,732,125,623.40 = 336,756,428.40/x - Step 3: Cross multiply
1,154,750,415.60x = 1,732,125,623.40 × 336,756,428.40 - Step 4: Simplify right side
1,154,750,415.60x = 583,304,438,476,307,456 - Step 5: Solve for x
x = 583,304,438,476,307,456/1,154,750,415.60 - Step 6: Final answer
x = 505,134,642.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.