Finding the Fourth Proportional to 745,277,086.14, 1,028,486,595.15 and 432,197,188.62
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Solution
The fourth proportional to 745,277,086.14, 1,028,486,595.15 and 432,197,188.62 is: 596,434,565.38
Step by Step Solution
- Step 1: Write the proportion equation
745,277,086.14 : 1,028,486,595.15 = 432,197,188.62 : x - Step 2: Convert to fraction form
745,277,086.14/1,028,486,595.15 = 432,197,188.62/x - Step 3: Cross multiply
745,277,086.14x = 1,028,486,595.15 × 432,197,188.62 - Step 4: Simplify right side
745,277,086.14x = 444,509,014,957,186,112 - Step 5: Solve for x
x = 444,509,014,957,186,112/745,277,086.14 - Step 6: Final answer
x = 596,434,565.38
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.