Finding the Fourth Proportional to 537,778,819.70, 806,668,229.55 and 265,681,027.70
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Solution
The fourth proportional to 537,778,819.70, 806,668,229.55 and 265,681,027.70 is: 398,521,541.55
Step by Step Solution
- Step 1: Write the proportion equation
537,778,819.70 : 806,668,229.55 = 265,681,027.70 : x - Step 2: Convert to fraction form
537,778,819.70/806,668,229.55 = 265,681,027.70/x - Step 3: Cross multiply
537,778,819.70x = 806,668,229.55 × 265,681,027.70 - Step 4: Simplify right side
537,778,819.70x = 214,316,444,239,783,488 - Step 5: Solve for x
x = 214,316,444,239,783,488/537,778,819.70 - Step 6: Final answer
x = 398,521,541.55
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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.