Finding the Fourth Proportional to 4,579,894,230.40, 6,869,841,345.60 and 3,128,706,006.40
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Solution
The fourth proportional to 4,579,894,230.40, 6,869,841,345.60 and 3,128,706,006.40 is: 4,693,059,009.60
Step by Step Solution
- Step 1: Write the proportion equation
4,579,894,230.40 : 6,869,841,345.60 = 3,128,706,006.40 : x - Step 2: Convert to fraction form
4,579,894,230.40/6,869,841,345.60 = 3,128,706,006.40/x - Step 3: Cross multiply
4,579,894,230.40x = 6,869,841,345.60 × 3,128,706,006.40 - Step 4: Simplify right side
4,579,894,230.40x = 21,493,713,880,993,779,712 - Step 5: Solve for x
x = 21,493,713,880,993,779,712/4,579,894,230.40 - Step 6: Final answer
x = 4,693,059,009.60
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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.