Finding the Fourth Proportional to 1,724,458,929.60, 2,586,688,394.40 and 497,667,403.20
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Solution
The fourth proportional to 1,724,458,929.60, 2,586,688,394.40 and 497,667,403.20 is: 746,501,104.80
Step by Step Solution
- Step 1: Write the proportion equation
1,724,458,929.60 : 2,586,688,394.40 = 497,667,403.20 : x - Step 2: Convert to fraction form
1,724,458,929.60/2,586,688,394.40 = 497,667,403.20/x - Step 3: Cross multiply
1,724,458,929.60x = 2,586,688,394.40 × 497,667,403.20 - Step 4: Simplify right side
1,724,458,929.60x = 1,287,310,496,128,625,408 - Step 5: Solve for x
x = 1,287,310,496,128,625,408/1,724,458,929.60 - Step 6: Final answer
x = 746,501,104.80
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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.