Finding the Fourth Proportional to 690,558,034.08, 1,035,138,941.28 and 297,341,295.28
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Solution
The fourth proportional to 690,558,034.08, 1,035,138,941.28 and 297,341,295.28 is: 445,711,349.96
Step by Step Solution
- Step 1: Write the proportion equation
690,558,034.08 : 1,035,138,941.28 = 297,341,295.28 : x - Step 2: Convert to fraction form
690,558,034.08/1,035,138,941.28 = 297,341,295.28/x - Step 3: Cross multiply
690,558,034.08x = 1,035,138,941.28 × 297,341,295.28 - Step 4: Simplify right side
690,558,034.08x = 307,789,553,594,963,008 - Step 5: Solve for x
x = 307,789,553,594,963,008/690,558,034.08 - Step 6: Final answer
x = 445,711,349.96
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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.