Finding the Fourth Proportional to 478,709,292.16, 660,590,352.66 and 277,750,598.68
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Solution
The fourth proportional to 478,709,292.16, 660,590,352.66 and 277,750,598.68 is: 383,279,307.38
Step by Step Solution
- Step 1: Write the proportion equation
478,709,292.16 : 660,590,352.66 = 277,750,598.68 : x - Step 2: Convert to fraction form
478,709,292.16/660,590,352.66 = 277,750,598.68/x - Step 3: Cross multiply
478,709,292.16x = 660,590,352.66 × 277,750,598.68 - Step 4: Simplify right side
478,709,292.16x = 183,479,365,933,547,328 - Step 5: Solve for x
x = 183,479,365,933,547,328/478,709,292.16 - Step 6: Final answer
x = 383,279,307.38
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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.