Finding the Fourth Proportional to 391,203,058.90, 586,804,588.35 and 361,641,817.30
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Solution
The fourth proportional to 391,203,058.90, 586,804,588.35 and 361,641,817.30 is: 542,462,725.95
Step by Step Solution
- Step 1: Write the proportion equation
391,203,058.90 : 586,804,588.35 = 361,641,817.30 : x - Step 2: Convert to fraction form
391,203,058.90/586,804,588.35 = 361,641,817.30/x - Step 3: Cross multiply
391,203,058.90x = 586,804,588.35 × 361,641,817.30 - Step 4: Simplify right side
391,203,058.90x = 212,213,077,730,872,416 - Step 5: Solve for x
x = 212,213,077,730,872,416/391,203,058.90 - Step 6: Final answer
x = 542,462,725.95
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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.