Finding the Fourth Proportional to 4,781,461,941.54, 6,598,440,397.23 and 2,638,068,493.53
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Solution
The fourth proportional to 4,781,461,941.54, 6,598,440,397.23 and 2,638,068,493.53 is: 3,640,547,165.53
Step by Step Solution
- Step 1: Write the proportion equation
4,781,461,941.54 : 6,598,440,397.23 = 2,638,068,493.53 : x - Step 2: Convert to fraction form
4,781,461,941.54/6,598,440,397.23 = 2,638,068,493.53/x - Step 3: Cross multiply
4,781,461,941.54x = 6,598,440,397.23 × 2,638,068,493.53 - Step 4: Simplify right side
4,781,461,941.54x = 17,407,137,718,382,563,328 - Step 5: Solve for x
x = 17,407,137,718,382,563,328/4,781,461,941.54 - Step 6: Final answer
x = 3,640,547,165.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.