Finding the Fourth Proportional to 259,890,788.71, 389,832,509.76 and 63,155,647.99
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Solution
The fourth proportional to 259,890,788.71, 389,832,509.76 and 63,155,647.99 is: 94,732,579.34
Step by Step Solution
- Step 1: Write the proportion equation
259,890,788.71 : 389,832,509.76 = 63,155,647.99 : x - Step 2: Convert to fraction form
259,890,788.71/389,832,509.76 = 63,155,647.99/x - Step 3: Cross multiply
259,890,788.71x = 389,832,509.76 × 63,155,647.99 - Step 4: Simplify right side
259,890,788.71x = 24,620,124,761,460,800 - Step 5: Solve for x
x = 24,620,124,761,460,800/259,890,788.71 - Step 6: Final answer
x = 94,732,579.34
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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.