Finding the Fourth Proportional to 4,752,648,672.48, 7,128,963,210.96 and 2,681,430,202.08
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Solution
The fourth proportional to 4,752,648,672.48, 7,128,963,210.96 and 2,681,430,202.08 is: 4,022,139,775.25
Step by Step Solution
- Step 1: Write the proportion equation
4,752,648,672.48 : 7,128,963,210.96 = 2,681,430,202.08 : x - Step 2: Convert to fraction form
4,752,648,672.48/7,128,963,210.96 = 2,681,430,202.08/x - Step 3: Cross multiply
4,752,648,672.48x = 7,128,963,210.96 × 2,681,430,202.08 - Step 4: Simplify right side
4,752,648,672.48x = 19,115,817,263,385,358,336 - Step 5: Solve for x
x = 19,115,817,263,385,358,336/4,752,648,672.48 - Step 6: Final answer
x = 4,022,139,775.25
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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.