Finding the Fourth Proportional to 746,500,562.90, 1,119,750,844.35 and 439,634,719.70
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Solution
The fourth proportional to 746,500,562.90, 1,119,750,844.35 and 439,634,719.70 is: 659,452,079.55
Step by Step Solution
- Step 1: Write the proportion equation
746,500,562.90 : 1,119,750,844.35 = 439,634,719.70 : x - Step 2: Convert to fraction form
746,500,562.90/1,119,750,844.35 = 439,634,719.70/x - Step 3: Cross multiply
746,500,562.90x = 1,119,750,844.35 × 439,634,719.70 - Step 4: Simplify right side
746,500,562.90x = 492,281,348,589,650,496 - Step 5: Solve for x
x = 492,281,348,589,650,496/746,500,562.90 - Step 6: Final answer
x = 659,452,079.55
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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.