Finding the Fourth Proportional to 453,817,885.55, 626,252,148.81 and 252,864,376.83
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Solution
The fourth proportional to 453,817,885.55, 626,252,148.81 and 252,864,376.83 is: 348,943,627.81
Step by Step Solution
- Step 1: Write the proportion equation
453,817,885.55 : 626,252,148.81 = 252,864,376.83 : x - Step 2: Convert to fraction form
453,817,885.55/626,252,148.81 = 252,864,376.83/x - Step 3: Cross multiply
453,817,885.55x = 626,252,148.81 × 252,864,376.83 - Step 4: Simplify right side
453,817,885.55x = 158,356,859,347,289,056 - Step 5: Solve for x
x = 158,356,859,347,289,056/453,817,885.55 - Step 6: Final answer
x = 348,943,627.81
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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.