Finding the Fourth Proportional to 688,766,294,446.30, 1,033,149,441,669.40 and 679,478,689,812.70
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Solution
The fourth proportional to 688,766,294,446.30, 1,033,149,441,669.40 and 679,478,689,812.70 is: 1,019,218,034,719.00
Step by Step Solution
- Step 1: Write the proportion equation
688,766,294,446.30 : 1,033,149,441,669.40 = 679,478,689,812.70 : x - Step 2: Convert to fraction form
688,766,294,446.30/1,033,149,441,669.40 = 679,478,689,812.70/x - Step 3: Cross multiply
688,766,294,446.30x = 1,033,149,441,669.40 × 679,478,689,812.70 - Step 4: Simplify right side
688,766,294,446.30x = 702,003,029,006,246,435,880,960 - Step 5: Solve for x
x = 702,003,029,006,246,435,880,960/688,766,294,446.30 - Step 6: Final answer
x = 1,019,218,034,719.00
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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.