Finding the Fourth Proportional to 1,345,518,354.80, 2,018,655,445.80 and 655,448,121.20
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Solution
The fourth proportional to 1,345,518,354.80, 2,018,655,445.80 and 655,448,121.20 is: 983,356,276.47
Step by Step Solution
- Step 1: Write the proportion equation
1,345,518,354.80 : 2,018,655,445.80 = 655,448,121.20 : x - Step 2: Convert to fraction form
1,345,518,354.80/2,018,655,445.80 = 655,448,121.20/x - Step 3: Cross multiply
1,345,518,354.80x = 2,018,655,445.80 × 655,448,121.20 - Step 4: Simplify right side
1,345,518,354.80x = 1,323,123,919,299,758,592 - Step 5: Solve for x
x = 1,323,123,919,299,758,592/1,345,518,354.80 - Step 6: Final answer
x = 983,356,276.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.