Finding the Fourth Proportional to 974,410,268.42, 1,461,031,707.87 and 310,137,357.32
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Solution
The fourth proportional to 974,410,268.42, 1,461,031,707.87 and 310,137,357.32 is: 465,020,256.38
Step by Step Solution
- Step 1: Write the proportion equation
974,410,268.42 : 1,461,031,707.87 = 310,137,357.32 : x - Step 2: Convert to fraction form
974,410,268.42/1,461,031,707.87 = 310,137,357.32/x - Step 3: Cross multiply
974,410,268.42x = 1,461,031,707.87 × 310,137,357.32 - Step 4: Simplify right side
974,410,268.42x = 453,120,512,839,528,000 - Step 5: Solve for x
x = 453,120,512,839,528,000/974,410,268.42 - Step 6: Final answer
x = 465,020,256.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.