Finding the Fourth Proportional to 2,879,334,618.84, 4,319,163,352.80 and 808,894,957.32
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Solution
The fourth proportional to 2,879,334,618.84, 4,319,163,352.80 and 808,894,957.32 is: 1,213,387,785.17
Step by Step Solution
- Step 1: Write the proportion equation
2,879,334,618.84 : 4,319,163,352.80 = 808,894,957.32 : x - Step 2: Convert to fraction form
2,879,334,618.84/4,319,163,352.80 = 808,894,957.32/x - Step 3: Cross multiply
2,879,334,618.84x = 4,319,163,352.80 × 808,894,957.32 - Step 4: Simplify right side
2,879,334,618.84x = 3,493,749,455,921,264,640 - Step 5: Solve for x
x = 3,493,749,455,921,264,640/2,879,334,618.84 - Step 6: Final answer
x = 1,213,387,785.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.