Finding the Fourth Proportional to 2,220,502,027.80, 3,330,753,041.70 and 2,155,931,946.30
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Solution
The fourth proportional to 2,220,502,027.80, 3,330,753,041.70 and 2,155,931,946.30 is: 3,233,897,919.45
Step by Step Solution
- Step 1: Write the proportion equation
2,220,502,027.80 : 3,330,753,041.70 = 2,155,931,946.30 : x - Step 2: Convert to fraction form
2,220,502,027.80/3,330,753,041.70 = 2,155,931,946.30/x - Step 3: Cross multiply
2,220,502,027.80x = 3,330,753,041.70 × 2,155,931,946.30 - Step 4: Simplify right side
2,220,502,027.80x = 7,180,876,887,836,925,952 - Step 5: Solve for x
x = 7,180,876,887,836,925,952/2,220,502,027.80 - Step 6: Final answer
x = 3,233,897,919.45
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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.