Finding the Fourth Proportional to 1,237,348,542.87, 1,712,037,466.26 and 1,078,908,826.59
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Solution
The fourth proportional to 1,237,348,542.87, 1,712,037,466.26 and 1,078,908,826.59 is: 1,492,814,893.95
Step by Step Solution
- Step 1: Write the proportion equation
1,237,348,542.87 : 1,712,037,466.26 = 1,078,908,826.59 : x - Step 2: Convert to fraction form
1,237,348,542.87/1,712,037,466.26 = 1,078,908,826.59/x - Step 3: Cross multiply
1,237,348,542.87x = 1,712,037,466.26 × 1,078,908,826.59 - Step 4: Simplify right side
1,237,348,542.87x = 1,847,132,333,800,693,248 - Step 5: Solve for x
x = 1,847,132,333,800,693,248/1,237,348,542.87 - Step 6: Final answer
x = 1,492,814,893.95
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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.