Finding the Fourth Proportional to 561,366,863.26, 774,924,803.95 and 349,778,233.70
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Solution
The fourth proportional to 561,366,863.26, 774,924,803.95 and 349,778,233.70 is: 482,842,588.18
Step by Step Solution
- Step 1: Write the proportion equation
561,366,863.26 : 774,924,803.95 = 349,778,233.70 : x - Step 2: Convert to fraction form
561,366,863.26/774,924,803.95 = 349,778,233.70/x - Step 3: Cross multiply
561,366,863.26x = 774,924,803.95 × 349,778,233.70 - Step 4: Simplify right side
561,366,863.26x = 271,051,829,175,949,792 - Step 5: Solve for x
x = 271,051,829,175,949,792/561,366,863.26 - Step 6: Final answer
x = 482,842,588.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.