Finding the Fourth Proportional to 358,118,343.60, 537,177,515.40 and 249,279,226.80
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Solution
The fourth proportional to 358,118,343.60, 537,177,515.40 and 249,279,226.80 is: 373,918,840.20
Step by Step Solution
- Step 1: Write the proportion equation
358,118,343.60 : 537,177,515.40 = 249,279,226.80 : x - Step 2: Convert to fraction form
358,118,343.60/537,177,515.40 = 249,279,226.80/x - Step 3: Cross multiply
358,118,343.60x = 537,177,515.40 × 249,279,226.80 - Step 4: Simplify right side
358,118,343.60x = 133,907,195,693,257,088 - Step 5: Solve for x
x = 133,907,195,693,257,088/358,118,343.60 - Step 6: Final answer
x = 373,918,840.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.