Finding the Fourth Proportional to 745,277,085.64, 1,028,486,594.46 and 432,197,188.12
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Solution
The fourth proportional to 745,277,085.64, 1,028,486,594.46 and 432,197,188.12 is: 596,434,564.69
Step by Step Solution
- Step 1: Write the proportion equation
745,277,085.64 : 1,028,486,594.46 = 432,197,188.12 : x - Step 2: Convert to fraction form
745,277,085.64/1,028,486,594.46 = 432,197,188.12/x - Step 3: Cross multiply
745,277,085.64x = 1,028,486,594.46 × 432,197,188.12 - Step 4: Simplify right side
745,277,085.64x = 444,509,014,144,726,784 - Step 5: Solve for x
x = 444,509,014,144,726,784/745,277,085.64 - Step 6: Final answer
x = 596,434,564.69
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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.