Finding the Fourth Proportional to 8,187,055,376.88, 11,298,136,130.52 and 4,427,865,853.68
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Solution
The fourth proportional to 8,187,055,376.88, 11,298,136,130.52 and 4,427,865,853.68 is: 6,110,454,721.47
Step by Step Solution
- Step 1: Write the proportion equation
8,187,055,376.88 : 11,298,136,130.52 = 4,427,865,853.68 : x - Step 2: Convert to fraction form
8,187,055,376.88/11,298,136,130.52 = 4,427,865,853.68/x - Step 3: Cross multiply
8,187,055,376.88x = 11,298,136,130.52 × 4,427,865,853.68 - Step 4: Simplify right side
8,187,055,376.88x = 50,026,631,182,557,798,400 - Step 5: Solve for x
x = 50,026,631,182,557,798,400/8,187,055,376.88 - Step 6: Final answer
x = 6,110,454,721.47
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Double scale
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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.