Finding the Fourth Proportional to 944,790,830.90, 1,417,186,246.35 and 399,532,364.90
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Solution
The fourth proportional to 944,790,830.90, 1,417,186,246.35 and 399,532,364.90 is: 599,298,547.35
Step by Step Solution
- Step 1: Write the proportion equation
944,790,830.90 : 1,417,186,246.35 = 399,532,364.90 : x - Step 2: Convert to fraction form
944,790,830.90/1,417,186,246.35 = 399,532,364.90/x - Step 3: Cross multiply
944,790,830.90x = 1,417,186,246.35 × 399,532,364.90 - Step 4: Simplify right side
944,790,830.90x = 566,211,772,507,969,408 - Step 5: Solve for x
x = 566,211,772,507,969,408/944,790,830.90 - Step 6: Final answer
x = 599,298,547.35
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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.