Finding the Fourth Proportional to 286,941,831,265.23, 395,977,373,894.21 and 156,730,768,893.06
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Solution
The fourth proportional to 286,941,831,265.23, 395,977,373,894.21 and 156,730,768,893.06 is: 216,287,175,700.53
Step by Step Solution
- Step 1: Write the proportion equation
286,941,831,265.23 : 395,977,373,894.21 = 156,730,768,893.06 : x - Step 2: Convert to fraction form
286,941,831,265.23/395,977,373,894.21 = 156,730,768,893.06/x - Step 3: Cross multiply
286,941,831,265.23x = 395,977,373,894.21 × 156,730,768,893.06 - Step 4: Simplify right side
286,941,831,265.23x = 62,061,838,274,694,240,796,672 - Step 5: Solve for x
x = 62,061,838,274,694,240,796,672/286,941,831,265.23 - Step 6: Final answer
x = 216,287,175,700.53
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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.