Finding the Fourth Proportional to 383,963,984.08, 529,885,304.35 and 216,706,030.83
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Solution
The fourth proportional to 383,963,984.08, 529,885,304.35 and 216,706,030.83 is: 299,062,791.99
Step by Step Solution
- Step 1: Write the proportion equation
383,963,984.08 : 529,885,304.35 = 216,706,030.83 : x - Step 2: Convert to fraction form
383,963,984.08/529,885,304.35 = 216,706,030.83/x - Step 3: Cross multiply
383,963,984.08x = 529,885,304.35 × 216,706,030.83 - Step 4: Simplify right side
383,963,984.08x = 114,829,341,100,288,944 - Step 5: Solve for x
x = 114,829,341,100,288,944/383,963,984.08 - Step 6: Final answer
x = 299,062,791.99
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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.