Finding the Fourth Proportional to 286,941,831,252.49, 395,977,373,876.65 and 156,730,768,880.34
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Solution
The fourth proportional to 286,941,831,252.49, 395,977,373,876.65 and 156,730,768,880.34 is: 216,287,175,682.99
Step by Step Solution
- Step 1: Write the proportion equation
286,941,831,252.49 : 395,977,373,876.65 = 156,730,768,880.34 : x - Step 2: Convert to fraction form
286,941,831,252.49/395,977,373,876.65 = 156,730,768,880.34/x - Step 3: Cross multiply
286,941,831,252.49x = 395,977,373,876.65 × 156,730,768,880.34 - Step 4: Simplify right side
286,941,831,252.49x = 62,061,838,266,905,216,942,080 - Step 5: Solve for x
x = 62,061,838,266,905,216,942,080/286,941,831,252.49 - Step 6: Final answer
x = 216,287,175,682.99
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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.