Finding the Fourth Proportional to 357,468,257.60, 536,202,386.40 and 235,024,251.20
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Solution
The fourth proportional to 357,468,257.60, 536,202,386.40 and 235,024,251.20 is: 352,536,376.80
Step by Step Solution
- Step 1: Write the proportion equation
357,468,257.60 : 536,202,386.40 = 235,024,251.20 : x - Step 2: Convert to fraction form
357,468,257.60/536,202,386.40 = 235,024,251.20/x - Step 3: Cross multiply
357,468,257.60x = 536,202,386.40 × 235,024,251.20 - Step 4: Simplify right side
357,468,257.60x = 126,020,564,355,313,056 - Step 5: Solve for x
x = 126,020,564,355,313,056/357,468,257.60 - Step 6: Final answer
x = 352,536,376.80
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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.