Finding the Fourth Proportional to 745,277,180.16, 1,028,486,726.40 and 432,197,283.84
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Solution
The fourth proportional to 745,277,180.16, 1,028,486,726.40 and 432,197,283.84 is: 596,434,697.65
Step by Step Solution
- Step 1: Write the proportion equation
745,277,180.16 : 1,028,486,726.40 = 432,197,283.84 : x - Step 2: Convert to fraction form
745,277,180.16/1,028,486,726.40 = 432,197,283.84/x - Step 3: Cross multiply
745,277,180.16x = 1,028,486,726.40 × 432,197,283.84 - Step 4: Simplify right side
745,277,180.16x = 444,509,169,615,573,184 - Step 5: Solve for x
x = 444,509,169,615,573,184/745,277,180.16 - Step 6: Final answer
x = 596,434,697.65
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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.