Finding the Fourth Proportional to 478,082,289.34, 659,754,925.50 and 277,178,206.96
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Solution
The fourth proportional to 478,082,289.34, 659,754,925.50 and 277,178,206.96 is: 382,506,717.69
Step by Step Solution
- Step 1: Write the proportion equation
478,082,289.34 : 659,754,925.50 = 277,178,206.96 : x - Step 2: Convert to fraction form
478,082,289.34/659,754,925.50 = 277,178,206.96/x - Step 3: Cross multiply
478,082,289.34x = 659,754,925.50 × 277,178,206.96 - Step 4: Simplify right side
478,082,289.34x = 182,869,687,283,118,368 - Step 5: Solve for x
x = 182,869,687,283,118,368/478,082,289.34 - Step 6: Final answer
x = 382,506,717.69
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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.