Finding the Fourth Proportional to 1,460,985,368.85, 2,191,447,350.09 and 355,596,392.62
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Solution
The fourth proportional to 1,460,985,368.85, 2,191,447,350.09 and 355,596,392.62 is: 533,387,115.93
Step by Step Solution
- Step 1: Write the proportion equation
1,460,985,368.85 : 2,191,447,350.09 = 355,596,392.62 : x - Step 2: Convert to fraction form
1,460,985,368.85/2,191,447,350.09 = 355,596,392.62/x - Step 3: Cross multiply
1,460,985,368.85x = 2,191,447,350.09 × 355,596,392.62 - Step 4: Simplify right side
1,460,985,368.85x = 779,270,772,297,705,088 - Step 5: Solve for x
x = 779,270,772,297,705,088/1,460,985,368.85 - Step 6: Final answer
x = 533,387,115.93
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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.