Finding the Fourth Proportional to 1,725,553,882.80, 2,588,330,824.20 and 561,060,363.60
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Solution
The fourth proportional to 1,725,553,882.80, 2,588,330,824.20 and 561,060,363.60 is: 841,590,545.40
Step by Step Solution
- Step 1: Write the proportion equation
1,725,553,882.80 : 2,588,330,824.20 = 561,060,363.60 : x - Step 2: Convert to fraction form
1,725,553,882.80/2,588,330,824.20 = 561,060,363.60/x - Step 3: Cross multiply
1,725,553,882.80x = 2,588,330,824.20 × 561,060,363.60 - Step 4: Simplify right side
1,725,553,882.80x = 1,452,209,833,342,739,712 - Step 5: Solve for x
x = 1,452,209,833,342,739,712/1,725,553,882.80 - Step 6: Final answer
x = 841,590,545.40
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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.