Finding the Fourth Proportional to 581,625,418.76, 802,645,681.34 and 317,306,610.84
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Solution
The fourth proportional to 581,625,418.76, 802,645,681.34 and 317,306,610.84 is: 437,884,543.28
Step by Step Solution
- Step 1: Write the proportion equation
581,625,418.76 : 802,645,681.34 = 317,306,610.84 : x - Step 2: Convert to fraction form
581,625,418.76/802,645,681.34 = 317,306,610.84/x - Step 3: Cross multiply
581,625,418.76x = 802,645,681.34 × 317,306,610.84 - Step 4: Simplify right side
581,625,418.76x = 254,684,780,851,358,016 - Step 5: Solve for x
x = 254,684,780,851,358,016/581,625,418.76 - Step 6: Final answer
x = 437,884,543.28
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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.