Finding the Fourth Proportional to 1,176,270,505.28, 1,764,668,897.76 and 358,446,812.48
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Solution
The fourth proportional to 1,176,270,505.28, 1,764,668,897.76 and 358,446,812.48 is: 537,750,405.75
Step by Step Solution
- Step 1: Write the proportion equation
1,176,270,505.28 : 1,764,668,897.76 = 358,446,812.48 : x - Step 2: Convert to fraction form
1,176,270,505.28/1,764,668,897.76 = 358,446,812.48/x - Step 3: Cross multiply
1,176,270,505.28x = 1,764,668,897.76 × 358,446,812.48 - Step 4: Simplify right side
1,176,270,505.28x = 632,539,941,484,667,008 - Step 5: Solve for x
x = 632,539,941,484,667,008/1,176,270,505.28 - Step 6: Final answer
x = 537,750,405.75
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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.