Finding the Fourth Proportional to 583,533,973.32, 805,274,475.70 and 315,610,104.99
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Solution
The fourth proportional to 583,533,973.32, 805,274,475.70 and 315,610,104.99 is: 435,540,642.78
Step by Step Solution
- Step 1: Write the proportion equation
583,533,973.32 : 805,274,475.70 = 315,610,104.99 : x - Step 2: Convert to fraction form
583,533,973.32/805,274,475.70 = 315,610,104.99/x - Step 3: Cross multiply
583,533,973.32x = 805,274,475.70 × 315,610,104.99 - Step 4: Simplify right side
583,533,973.32x = 254,152,761,821,444,224 - Step 5: Solve for x
x = 254,152,761,821,444,224/583,533,973.32 - Step 6: Final answer
x = 435,540,642.78
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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.