Finding the Fourth Proportional to 9,877,205,570.44, 13,630,178,698.93 and 5,360,987,658.91
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Solution
The fourth proportional to 9,877,205,570.44, 13,630,178,698.93 and 5,360,987,658.91 is: 7,397,964,866.95
Step by Step Solution
- Step 1: Write the proportion equation
9,877,205,570.44 : 13,630,178,698.93 = 5,360,987,658.91 : x - Step 2: Convert to fraction form
9,877,205,570.44/13,630,178,698.93 = 5,360,987,658.91/x - Step 3: Cross multiply
9,877,205,570.44x = 13,630,178,698.93 × 5,360,987,658.91 - Step 4: Simplify right side
9,877,205,570.44x = 73,071,219,793,751,859,200 - Step 5: Solve for x
x = 73,071,219,793,751,859,200/9,877,205,570.44 - Step 6: Final answer
x = 7,397,964,866.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.