Finding the Fourth Proportional to 2,657,210,355.30, 3,985,815,532.95 and 1,968,462,819.30
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Solution
The fourth proportional to 2,657,210,355.30, 3,985,815,532.95 and 1,968,462,819.30 is: 2,952,694,228.95
Step by Step Solution
- Step 1: Write the proportion equation
2,657,210,355.30 : 3,985,815,532.95 = 1,968,462,819.30 : x - Step 2: Convert to fraction form
2,657,210,355.30/3,985,815,532.95 = 1,968,462,819.30/x - Step 3: Cross multiply
2,657,210,355.30x = 3,985,815,532.95 × 1,968,462,819.30 - Step 4: Simplify right side
2,657,210,355.30x = 7,845,929,681,200,488,448 - Step 5: Solve for x
x = 7,845,929,681,200,488,448/2,657,210,355.30 - Step 6: Final answer
x = 2,952,694,228.95
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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.