Finding the Fourth Proportional to 1,602,974,890.87, 2,402,784,160.08 and 670,831,805.55
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Solution
The fourth proportional to 1,602,974,890.87, 2,402,784,160.08 and 670,831,805.55 is: 1,005,545,405.38
Step by Step Solution
- Step 1: Write the proportion equation
1,602,974,890.87 : 2,402,784,160.08 = 670,831,805.55 : x - Step 2: Convert to fraction form
1,602,974,890.87/2,402,784,160.08 = 670,831,805.55/x - Step 3: Cross multiply
1,602,974,890.87x = 2,402,784,160.08 × 670,831,805.55 - Step 4: Simplify right side
1,602,974,890.87x = 1,611,864,036,453,406,464 - Step 5: Solve for x
x = 1,611,864,036,453,406,464/1,602,974,890.87 - Step 6: Final answer
x = 1,005,545,405.38
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1.5x scale
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.