Finding the Fourth Proportional to 581,803,124.13, 802,881,697.25 and 317,489,614.18
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Solution
The fourth proportional to 581,803,124.13, 802,881,697.25 and 317,489,614.18 is: 438,132,058.28
Step by Step Solution
- Step 1: Write the proportion equation
581,803,124.13 : 802,881,697.25 = 317,489,614.18 : x - Step 2: Convert to fraction form
581,803,124.13/802,881,697.25 = 317,489,614.18/x - Step 3: Cross multiply
581,803,124.13x = 802,881,697.25 × 317,489,614.18 - Step 4: Simplify right side
581,803,124.13x = 254,906,600,289,573,024 - Step 5: Solve for x
x = 254,906,600,289,573,024/581,803,124.13 - Step 6: Final answer
x = 438,132,058.28
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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.