Finding the Fourth Proportional to 537,875,968.28, 742,611,554.76 and 438,992,586.70
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Solution
The fourth proportional to 537,875,968.28, 742,611,554.76 and 438,992,586.70 is: 606,089,482.64
Step by Step Solution
- Step 1: Write the proportion equation
537,875,968.28 : 742,611,554.76 = 438,992,586.70 : x - Step 2: Convert to fraction form
537,875,968.28/742,611,554.76 = 438,992,586.70/x - Step 3: Cross multiply
537,875,968.28x = 742,611,554.76 × 438,992,586.70 - Step 4: Simplify right side
537,875,968.28x = 326,000,967,337,401,088 - Step 5: Solve for x
x = 326,000,967,337,401,088/537,875,968.28 - Step 6: Final answer
x = 606,089,482.64
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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.