Finding the Fourth Proportional to 1,182,066,617.70, 1,772,938,963.35 and 308,736,281.70
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Solution
The fourth proportional to 1,182,066,617.70, 1,772,938,963.35 and 308,736,281.70 is: 463,062,381.62
Step by Step Solution
- Step 1: Write the proportion equation
1,182,066,617.70 : 1,772,938,963.35 = 308,736,281.70 : x - Step 2: Convert to fraction form
1,182,066,617.70/1,772,938,963.35 = 308,736,281.70/x - Step 3: Cross multiply
1,182,066,617.70x = 1,772,938,963.35 × 308,736,281.70 - Step 4: Simplify right side
1,182,066,617.70x = 547,370,583,225,731,520 - Step 5: Solve for x
x = 547,370,583,225,731,520/1,182,066,617.70 - Step 6: Final answer
x = 463,062,381.62
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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.