Finding the Fourth Proportional to 4,384,411,187.60, 6,576,616,781.40 and 2,989,697,427.20
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Solution
The fourth proportional to 4,384,411,187.60, 6,576,616,781.40 and 2,989,697,427.20 is: 4,484,546,140.80
Step by Step Solution
- Step 1: Write the proportion equation
4,384,411,187.60 : 6,576,616,781.40 = 2,989,697,427.20 : x - Step 2: Convert to fraction form
4,384,411,187.60/6,576,616,781.40 = 2,989,697,427.20/x - Step 3: Cross multiply
4,384,411,187.60x = 6,576,616,781.40 × 2,989,697,427.20 - Step 4: Simplify right side
4,384,411,187.60x = 19,662,094,271,031,922,688 - Step 5: Solve for x
x = 19,662,094,271,031,922,688/4,384,411,187.60 - Step 6: Final answer
x = 4,484,546,140.80
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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.