Finding the Fourth Proportional to 669,352,454.30, 1,004,028,681.46 and 474,207,319.10
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Solution
The fourth proportional to 669,352,454.30, 1,004,028,681.46 and 474,207,319.10 is: 711,310,978.66
Step by Step Solution
- Step 1: Write the proportion equation
669,352,454.30 : 1,004,028,681.46 = 474,207,319.10 : x - Step 2: Convert to fraction form
669,352,454.30/1,004,028,681.46 = 474,207,319.10/x - Step 3: Cross multiply
669,352,454.30x = 1,004,028,681.46 × 474,207,319.10 - Step 4: Simplify right side
669,352,454.30x = 476,117,749,334,654,528 - Step 5: Solve for x
x = 476,117,749,334,654,528/669,352,454.30 - Step 6: Final answer
x = 711,310,978.66
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Double scale
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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.