Finding the Fourth Proportional to 302,530,721.49, 417,486,726.27 and 185,047,421.58
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Solution
The fourth proportional to 302,530,721.49, 417,486,726.27 and 185,047,421.58 is: 255,361,974.02
Step by Step Solution
- Step 1: Write the proportion equation
302,530,721.49 : 417,486,726.27 = 185,047,421.58 : x - Step 2: Convert to fraction form
302,530,721.49/417,486,726.27 = 185,047,421.58/x - Step 3: Cross multiply
302,530,721.49x = 417,486,726.27 × 185,047,421.58 - Step 4: Simplify right side
302,530,721.49x = 77,254,842,240,466,480 - Step 5: Solve for x
x = 77,254,842,240,466,480/302,530,721.49 - Step 6: Final answer
x = 255,361,974.02
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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.