Finding the Fourth Proportional to 5,679,970,467.60, 8,519,955,701.40 and 4,712,511,651.60
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Solution
The fourth proportional to 5,679,970,467.60, 8,519,955,701.40 and 4,712,511,651.60 is: 7,068,767,477.40
Step by Step Solution
- Step 1: Write the proportion equation
5,679,970,467.60 : 8,519,955,701.40 = 4,712,511,651.60 : x - Step 2: Convert to fraction form
5,679,970,467.60/8,519,955,701.40 = 4,712,511,651.60/x - Step 3: Cross multiply
5,679,970,467.60x = 8,519,955,701.40 × 4,712,511,651.60 - Step 4: Simplify right side
5,679,970,467.60x = 40,150,390,513,963,352,064 - Step 5: Solve for x
x = 40,150,390,513,963,352,064/5,679,970,467.60 - Step 6: Final answer
x = 7,068,767,477.40
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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.