Finding the Fourth Proportional to 606,602,224,690.80, 836,707,996,720.84 and 390,102,138,319.92
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Solution
The fourth proportional to 606,602,224,690.80, 836,707,996,720.84 and 390,102,138,319.92 is: 538,081,736,901.89
Step by Step Solution
- Step 1: Write the proportion equation
606,602,224,690.80 : 836,707,996,720.84 = 390,102,138,319.92 : x - Step 2: Convert to fraction form
606,602,224,690.80/836,707,996,720.84 = 390,102,138,319.92/x - Step 3: Cross multiply
606,602,224,690.80x = 836,707,996,720.84 × 390,102,138,319.92 - Step 4: Simplify right side
606,602,224,690.80x = 326,401,578,670,176,235,159,552 - Step 5: Solve for x
x = 326,401,578,670,176,235,159,552/606,602,224,690.80 - Step 6: Final answer
x = 538,081,736,901.89
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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.