Finding the Fourth Proportional to 4,277,828,047.28, 6,412,213,256.76 and 1,438,919,759.75
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Solution
The fourth proportional to 4,277,828,047.28, 6,412,213,256.76 and 1,438,919,759.75 is: 2,156,856,296.44
Step by Step Solution
- Step 1: Write the proportion equation
4,277,828,047.28 : 6,412,213,256.76 = 1,438,919,759.75 : x - Step 2: Convert to fraction form
4,277,828,047.28/6,412,213,256.76 = 1,438,919,759.75/x - Step 3: Cross multiply
4,277,828,047.28x = 6,412,213,256.76 × 1,438,919,759.75 - Step 4: Simplify right side
4,277,828,047.28x = 9,226,660,358,850,803,712 - Step 5: Solve for x
x = 9,226,660,358,850,803,712/4,277,828,047.28 - Step 6: Final answer
x = 2,156,856,296.44
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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.