Finding the Fourth Proportional to 532,497,718.76, 734,919,851.58 and 306,432,056.48
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Solution
The fourth proportional to 532,497,718.76, 734,919,851.58 and 306,432,056.48 is: 422,918,246.47
Step by Step Solution
- Step 1: Write the proportion equation
532,497,718.76 : 734,919,851.58 = 306,432,056.48 : x - Step 2: Convert to fraction form
532,497,718.76/734,919,851.58 = 306,432,056.48/x - Step 3: Cross multiply
532,497,718.76x = 734,919,851.58 × 306,432,056.48 - Step 4: Simplify right side
532,497,718.76x = 225,203,001,467,635,808 - Step 5: Solve for x
x = 225,203,001,467,635,808/532,497,718.76 - Step 6: Final answer
x = 422,918,246.47
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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.