Finding the Fourth Proportional to 1,845,948,665.08, 2,547,408,841.28 and 999,175,819.80
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Solution
The fourth proportional to 1,845,948,665.08, 2,547,408,841.28 and 999,175,819.80 is: 1,378,862,459.99
Step by Step Solution
- Step 1: Write the proportion equation
1,845,948,665.08 : 2,547,408,841.28 = 999,175,819.80 : x - Step 2: Convert to fraction form
1,845,948,665.08/2,547,408,841.28 = 999,175,819.80/x - Step 3: Cross multiply
1,845,948,665.08x = 2,547,408,841.28 × 999,175,819.80 - Step 4: Simplify right side
1,845,948,665.08x = 2,545,309,317,351,712,256 - Step 5: Solve for x
x = 2,545,309,317,351,712,256/1,845,948,665.08 - Step 6: Final answer
x = 1,378,862,459.99
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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.