Finding the Fourth Proportional to 583,533,972.32, 805,274,474.32 and 315,610,103.99
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Solution
The fourth proportional to 583,533,972.32, 805,274,474.32 and 315,610,103.99 is: 435,540,641.40
Step by Step Solution
- Step 1: Write the proportion equation
583,533,972.32 : 805,274,474.32 = 315,610,103.99 : x - Step 2: Convert to fraction form
583,533,972.32/805,274,474.32 = 315,610,103.99/x - Step 3: Cross multiply
583,533,972.32x = 805,274,474.32 × 315,610,103.99 - Step 4: Simplify right side
583,533,972.32x = 254,152,760,580,627,808 - Step 5: Solve for x
x = 254,152,760,580,627,808/583,533,972.32 - Step 6: Final answer
x = 435,540,641.40
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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.