Finding the Fourth Proportional to 472,567,134.96, 652,125,555.99 and 260,869,420.98
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Solution
The fourth proportional to 472,567,134.96, 652,125,555.99 and 260,869,420.98 is: 359,990,366.68
Step by Step Solution
- Step 1: Write the proportion equation
472,567,134.96 : 652,125,555.99 = 260,869,420.98 : x - Step 2: Convert to fraction form
472,567,134.96/652,125,555.99 = 260,869,420.98/x - Step 3: Cross multiply
472,567,134.96x = 652,125,555.99 × 260,869,420.98 - Step 4: Simplify right side
472,567,134.96x = 170,119,616,197,371,872 - Step 5: Solve for x
x = 170,119,616,197,371,872/472,567,134.96 - Step 6: Final answer
x = 359,990,366.68
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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.