Finding the Fourth Proportional to 622,625,549.20, 859,224,989.62 and 340,371,400.66
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Solution
The fourth proportional to 622,625,549.20, 859,224,989.62 and 340,371,400.66 is: 469,713,479.59
Step by Step Solution
- Step 1: Write the proportion equation
622,625,549.20 : 859,224,989.62 = 340,371,400.66 : x - Step 2: Convert to fraction form
622,625,549.20/859,224,989.62 = 340,371,400.66/x - Step 3: Cross multiply
622,625,549.20x = 859,224,989.62 × 340,371,400.66 - Step 4: Simplify right side
622,625,549.20x = 292,455,613,199,033,408 - Step 5: Solve for x
x = 292,455,613,199,033,408/622,625,549.20 - Step 6: Final answer
x = 469,713,479.59
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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.