Finding the Fourth Proportional to 453,817,656.27, 626,251,831.63 and 252,864,147.76
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Solution
The fourth proportional to 453,817,656.27, 626,251,831.63 and 252,864,147.76 is: 348,943,311.26
Step by Step Solution
- Step 1: Write the proportion equation
453,817,656.27 : 626,251,831.63 = 252,864,147.76 : x - Step 2: Convert to fraction form
453,817,656.27/626,251,831.63 = 252,864,147.76/x - Step 3: Cross multiply
453,817,656.27x = 626,251,831.63 × 252,864,147.76 - Step 4: Simplify right side
453,817,656.27x = 158,356,635,686,061,184 - Step 5: Solve for x
x = 158,356,635,686,061,184/453,817,656.27 - Step 6: Final answer
x = 348,943,311.26
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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.