Finding the Fourth Proportional to 4,828,896,641.60, 7,243,344,962.40 and 1,512,988,236.80
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Solution
The fourth proportional to 4,828,896,641.60, 7,243,344,962.40 and 1,512,988,236.80 is: 2,269,482,355.20
Step by Step Solution
- Step 1: Write the proportion equation
4,828,896,641.60 : 7,243,344,962.40 = 1,512,988,236.80 : x - Step 2: Convert to fraction form
4,828,896,641.60/7,243,344,962.40 = 1,512,988,236.80/x - Step 3: Cross multiply
4,828,896,641.60x = 7,243,344,962.40 × 1,512,988,236.80 - Step 4: Simplify right side
4,828,896,641.60x = 10,959,095,723,195,738,112 - Step 5: Solve for x
x = 10,959,095,723,195,738,112/4,828,896,641.60 - Step 6: Final answer
x = 2,269,482,355.20
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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.