Finding the Fourth Proportional to 750,583,621.88, 1,124,894,894.97 and 418,577,382.62
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Solution
The fourth proportional to 750,583,621.88, 1,124,894,894.97 and 418,577,382.62 is: 627,319,258.15
Step by Step Solution
- Step 1: Write the proportion equation
750,583,621.88 : 1,124,894,894.97 = 418,577,382.62 : x - Step 2: Convert to fraction form
750,583,621.88/1,124,894,894.97 = 418,577,382.62/x - Step 3: Cross multiply
750,583,621.88x = 1,124,894,894.97 × 418,577,382.62 - Step 4: Simplify right side
750,583,621.88x = 470,855,560,859,142,400 - Step 5: Solve for x
x = 470,855,560,859,142,400/750,583,621.88 - Step 6: Final answer
x = 627,319,258.15
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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.