Finding the Fourth Proportional to 4,752,648,728.23, 7,128,963,294.59 and 2,681,430,257.83
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Solution
The fourth proportional to 4,752,648,728.23, 7,128,963,294.59 and 2,681,430,257.83 is: 4,022,139,858.88
Step by Step Solution
- Step 1: Write the proportion equation
4,752,648,728.23 : 7,128,963,294.59 = 2,681,430,257.83 : x - Step 2: Convert to fraction form
4,752,648,728.23/7,128,963,294.59 = 2,681,430,257.83/x - Step 3: Cross multiply
4,752,648,728.23x = 7,128,963,294.59 × 2,681,430,257.83 - Step 4: Simplify right side
4,752,648,728.23x = 19,115,817,885,073,068,032 - Step 5: Solve for x
x = 19,115,817,885,073,068,032/4,752,648,728.23 - Step 6: Final answer
x = 4,022,139,858.88
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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.