Finding the Fourth Proportional to 478,709,291.16, 660,590,351.28 and 277,750,597.68
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Solution
The fourth proportional to 478,709,291.16, 660,590,351.28 and 277,750,597.68 is: 383,279,306.00
Step by Step Solution
- Step 1: Write the proportion equation
478,709,291.16 : 660,590,351.28 = 277,750,597.68 : x - Step 2: Convert to fraction form
478,709,291.16/660,590,351.28 = 277,750,597.68/x - Step 3: Cross multiply
478,709,291.16x = 660,590,351.28 × 277,750,597.68 - Step 4: Simplify right side
478,709,291.16x = 183,479,364,889,661,152 - Step 5: Solve for x
x = 183,479,364,889,661,152/478,709,291.16 - Step 6: Final answer
x = 383,279,306.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.