Finding the Fourth Proportional to 3,499,778,938.22, 4,830,069,217.53 and 2,144,312,384.99
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Solution
The fourth proportional to 3,499,778,938.22, 4,830,069,217.53 and 2,144,312,384.99 is: 2,959,380,414.11
Step by Step Solution
- Step 1: Write the proportion equation
3,499,778,938.22 : 4,830,069,217.53 = 2,144,312,384.99 : x - Step 2: Convert to fraction form
3,499,778,938.22/4,830,069,217.53 = 2,144,312,384.99/x - Step 3: Cross multiply
3,499,778,938.22x = 4,830,069,217.53 × 2,144,312,384.99 - Step 4: Simplify right side
3,499,778,938.22x = 10,357,177,243,484,385,280 - Step 5: Solve for x
x = 10,357,177,243,484,385,280/3,499,778,938.22 - Step 6: Final answer
x = 2,959,380,414.11
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1.5x scale
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.