Finding the Fourth Proportional to 576,302,923.84, 795,298,300.99 and 311,984,916.88
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Solution
The fourth proportional to 576,302,923.84, 795,298,300.99 and 311,984,916.88 is: 430,539,329.34
Step by Step Solution
- Step 1: Write the proportion equation
576,302,923.84 : 795,298,300.99 = 311,984,916.88 : x - Step 2: Convert to fraction form
576,302,923.84/795,298,300.99 = 311,984,916.88/x - Step 3: Cross multiply
576,302,923.84x = 795,298,300.99 × 311,984,916.88 - Step 4: Simplify right side
576,302,923.84x = 248,121,074,329,170,368 - Step 5: Solve for x
x = 248,121,074,329,170,368/576,302,923.84 - Step 6: Final answer
x = 430,539,329.34
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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.