Finding the Fourth Proportional to 974,319,462.60, 1,461,479,193.90 and 945,621,648.60
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Solution
The fourth proportional to 974,319,462.60, 1,461,479,193.90 and 945,621,648.60 is: 1,418,432,472.90
Step by Step Solution
- Step 1: Write the proportion equation
974,319,462.60 : 1,461,479,193.90 = 945,621,648.60 : x - Step 2: Convert to fraction form
974,319,462.60/1,461,479,193.90 = 945,621,648.60/x - Step 3: Cross multiply
974,319,462.60x = 1,461,479,193.90 × 945,621,648.60 - Step 4: Simplify right side
974,319,462.60x = 1,382,006,364,730,317,312 - Step 5: Solve for x
x = 1,382,006,364,730,317,312/974,319,462.60 - Step 6: Final answer
x = 1,418,432,472.90
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Similar ratio
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1.5x scale
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.