Finding the Fourth Proportional to 369,345,444.68, 509,697,209.70 and 202,097,419.04
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Solution
The fourth proportional to 369,345,444.68, 509,697,209.70 and 202,097,419.04 is: 278,894,709.70
Step by Step Solution
- Step 1: Write the proportion equation
369,345,444.68 : 509,697,209.70 = 202,097,419.04 : x - Step 2: Convert to fraction form
369,345,444.68/509,697,209.70 = 202,097,419.04/x - Step 3: Cross multiply
369,345,444.68x = 509,697,209.70 × 202,097,419.04 - Step 4: Simplify right side
369,345,444.68x = 103,008,490,572,259,648 - Step 5: Solve for x
x = 103,008,490,572,259,648/369,345,444.68 - Step 6: Final answer
x = 278,894,709.70
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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.