Finding the Fourth Proportional to 784,787,794.08, 1,083,056,074.62 and 432,363,711.84
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Solution
The fourth proportional to 784,787,794.08, 1,083,056,074.62 and 432,363,711.84 is: 596,688,873.20
Step by Step Solution
- Step 1: Write the proportion equation
784,787,794.08 : 1,083,056,074.62 = 432,363,711.84 : x - Step 2: Convert to fraction form
784,787,794.08/1,083,056,074.62 = 432,363,711.84/x - Step 3: Cross multiply
784,787,794.08x = 1,083,056,074.62 × 432,363,711.84 - Step 4: Simplify right side
784,787,794.08x = 468,274,144,553,563,136 - Step 5: Solve for x
x = 468,274,144,553,563,136/784,787,794.08 - Step 6: Final answer
x = 596,688,873.20
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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.