Finding the Fourth Proportional to 609,516,995.41, 841,119,147.34 and 358,637,636.53
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Solution
The fourth proportional to 609,516,995.41, 841,119,147.34 and 358,637,636.53 is: 494,911,520.62
Step by Step Solution
- Step 1: Write the proportion equation
609,516,995.41 : 841,119,147.34 = 358,637,636.53 : x - Step 2: Convert to fraction form
609,516,995.41/841,119,147.34 = 358,637,636.53/x - Step 3: Cross multiply
609,516,995.41x = 841,119,147.34 × 358,637,636.53 - Step 4: Simplify right side
609,516,995.41x = 301,656,983,042,146,432 - Step 5: Solve for x
x = 301,656,983,042,146,432/609,516,995.41 - Step 6: Final answer
x = 494,911,520.62
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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.