Finding the Fourth Proportional to 1,765,858,773,545.80, 2,648,788,157,325.20 and 424,318,475,261.12
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Solution
The fourth proportional to 1,765,858,773,545.80, 2,648,788,157,325.20 and 424,318,475,261.12 is: 636,477,712,172.37
Step by Step Solution
- Step 1: Write the proportion equation
1,765,858,773,545.80 : 2,648,788,157,325.20 = 424,318,475,261.12 : x - Step 2: Convert to fraction form
1,765,858,773,545.80/2,648,788,157,325.20 = 424,318,475,261.12/x - Step 3: Cross multiply
1,765,858,773,545.80x = 2,648,788,157,325.20 × 424,318,475,261.12 - Step 4: Simplify right side
1,765,858,773,545.80x = 1,123,929,752,205,940,580,417,536 - Step 5: Solve for x
x = 1,123,929,752,205,940,580,417,536/1,765,858,773,545.80 - Step 6: Final answer
x = 636,477,712,172.37
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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.