Finding the Fourth Proportional to 1,236,197,394,726.20, 1,854,296,092,089.30 and 899,231,489,113.40
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Solution
The fourth proportional to 1,236,197,394,726.20, 1,854,296,092,089.30 and 899,231,489,113.40 is: 1,348,847,233,670.10
Step by Step Solution
- Step 1: Write the proportion equation
1,236,197,394,726.20 : 1,854,296,092,089.30 = 899,231,489,113.40 : x - Step 2: Convert to fraction form
1,236,197,394,726.20/1,854,296,092,089.30 = 899,231,489,113.40/x - Step 3: Cross multiply
1,236,197,394,726.20x = 1,854,296,092,089.30 × 899,231,489,113.40 - Step 4: Simplify right side
1,236,197,394,726.20x = 1,667,441,436,146,619,559,968,768 - Step 5: Solve for x
x = 1,667,441,436,146,619,559,968,768/1,236,197,394,726.20 - Step 6: Final answer
x = 1,348,847,233,670.10
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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.