Finding the Fourth Proportional to 7,850,645,752.88, 11,776,071,201.57 and 2,610,253,962.68
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Solution
The fourth proportional to 7,850,645,752.88, 11,776,071,201.57 and 2,610,253,962.68 is: 3,915,415,048.17
Step by Step Solution
- Step 1: Write the proportion equation
7,850,645,752.88 : 11,776,071,201.57 = 2,610,253,962.68 : x - Step 2: Convert to fraction form
7,850,645,752.88/11,776,071,201.57 = 2,610,253,962.68/x - Step 3: Cross multiply
7,850,645,752.88x = 11,776,071,201.57 × 2,610,253,962.68 - Step 4: Simplify right side
7,850,645,752.88x = 30,738,536,518,641,041,408 - Step 5: Solve for x
x = 30,738,536,518,641,041,408/7,850,645,752.88 - Step 6: Final answer
x = 3,915,415,048.17
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1.5x scale
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.