Finding the Fourth Proportional to 696,111,411.68, 960,640,182.24 and 378,574,677.08
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Solution
The fourth proportional to 696,111,411.68, 960,640,182.24 and 378,574,677.08 is: 522,436,553.52
Step by Step Solution
- Step 1: Write the proportion equation
696,111,411.68 : 960,640,182.24 = 378,574,677.08 : x - Step 2: Convert to fraction form
696,111,411.68/960,640,182.24 = 378,574,677.08/x - Step 3: Cross multiply
696,111,411.68x = 960,640,182.24 × 378,574,677.08 - Step 4: Simplify right side
696,111,411.68x = 363,674,046,781,580,352 - Step 5: Solve for x
x = 363,674,046,781,580,352/696,111,411.68 - Step 6: Final answer
x = 522,436,553.52
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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.