Finding the Fourth Proportional to 533,722,567.32, 736,157,454.36 and 489,811,378.68
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Solution
The fourth proportional to 533,722,567.32, 736,157,454.36 and 489,811,378.68 is: 675,591,252.32
Step by Step Solution
- Step 1: Write the proportion equation
533,722,567.32 : 736,157,454.36 = 489,811,378.68 : x - Step 2: Convert to fraction form
533,722,567.32/736,157,454.36 = 489,811,378.68/x - Step 3: Cross multiply
533,722,567.32x = 736,157,454.36 × 489,811,378.68 - Step 4: Simplify right side
533,722,567.32x = 360,578,297,645,630,784 - Step 5: Solve for x
x = 360,578,297,645,630,784/533,722,567.32 - Step 6: Final answer
x = 675,591,252.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.