Finding the Fourth Proportional to 1,918,587,625.30, 2,877,881,437.95 and 1,102,294,249.30
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Solution
The fourth proportional to 1,918,587,625.30, 2,877,881,437.95 and 1,102,294,249.30 is: 1,653,441,373.95
Step by Step Solution
- Step 1: Write the proportion equation
1,918,587,625.30 : 2,877,881,437.95 = 1,102,294,249.30 : x - Step 2: Convert to fraction form
1,918,587,625.30/2,877,881,437.95 = 1,102,294,249.30/x - Step 3: Cross multiply
1,918,587,625.30x = 2,877,881,437.95 × 1,102,294,249.30 - Step 4: Simplify right side
1,918,587,625.30x = 3,172,272,159,219,499,520 - Step 5: Solve for x
x = 3,172,272,159,219,499,520/1,918,587,625.30 - Step 6: Final answer
x = 1,653,441,373.95
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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.