Finding the Fourth Proportional to 1,231,902,788.47, 1,847,854,204.06 and 299,219,351.63
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Solution
The fourth proportional to 1,231,902,788.47, 1,847,854,204.06 and 299,219,351.63 is: 448,829,032.62
Step by Step Solution
- Step 1: Write the proportion equation
1,231,902,788.47 : 1,847,854,204.06 = 299,219,351.63 : x - Step 2: Convert to fraction form
1,231,902,788.47/1,847,854,204.06 = 299,219,351.63/x - Step 3: Cross multiply
1,231,902,788.47x = 1,847,854,204.06 × 299,219,351.63 - Step 4: Simplify right side
1,231,902,788.47x = 552,913,736,834,867,584 - Step 5: Solve for x
x = 552,913,736,834,867,584/1,231,902,788.47 - Step 6: Final answer
x = 448,829,032.62
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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.