Finding the Fourth Proportional to 1,262,445,833.70, 1,893,668,750.55 and 1,176,352,391.70
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Solution
The fourth proportional to 1,262,445,833.70, 1,893,668,750.55 and 1,176,352,391.70 is: 1,764,528,587.55
Step by Step Solution
- Step 1: Write the proportion equation
1,262,445,833.70 : 1,893,668,750.55 = 1,176,352,391.70 : x - Step 2: Convert to fraction form
1,262,445,833.70/1,893,668,750.55 = 1,176,352,391.70/x - Step 3: Cross multiply
1,262,445,833.70x = 1,893,668,750.55 × 1,176,352,391.70 - Step 4: Simplify right side
1,262,445,833.70x = 2,227,621,763,797,043,200 - Step 5: Solve for x
x = 2,227,621,763,797,043,200/1,262,445,833.70 - Step 6: Final answer
x = 1,764,528,587.55
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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.