Finding the Fourth Proportional to 2,912,264,189.20, 4,368,396,283.80 and 1,071,636,000.40
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Solution
The fourth proportional to 2,912,264,189.20, 4,368,396,283.80 and 1,071,636,000.40 is: 1,607,454,000.60
Step by Step Solution
- Step 1: Write the proportion equation
2,912,264,189.20 : 4,368,396,283.80 = 1,071,636,000.40 : x - Step 2: Convert to fraction form
2,912,264,189.20/4,368,396,283.80 = 1,071,636,000.40/x - Step 3: Cross multiply
2,912,264,189.20x = 4,368,396,283.80 × 1,071,636,000.40 - Step 4: Simplify right side
2,912,264,189.20x = 4,681,330,721,733,655,552 - Step 5: Solve for x
x = 4,681,330,721,733,655,552/2,912,264,189.20 - Step 6: Final answer
x = 1,607,454,000.60
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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.