Finding the Fourth Proportional to 3,645,539,475.63, 5,031,653,802.56 and 2,216,306,888.88
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Solution
The fourth proportional to 3,645,539,475.63, 5,031,653,802.56 and 2,216,306,888.88 is: 3,058,995,536.77
Step by Step Solution
- Step 1: Write the proportion equation
3,645,539,475.63 : 5,031,653,802.56 = 2,216,306,888.88 : x - Step 2: Convert to fraction form
3,645,539,475.63/5,031,653,802.56 = 2,216,306,888.88/x - Step 3: Cross multiply
3,645,539,475.63x = 5,031,653,802.56 × 2,216,306,888.88 - Step 4: Simplify right side
3,645,539,475.63x = 11,151,688,985,072,975,872 - Step 5: Solve for x
x = 11,151,688,985,072,975,872/3,645,539,475.63 - Step 6: Final answer
x = 3,058,995,536.77
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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.