Finding the Fourth Proportional to 583,533,970.50, 805,274,471.82 and 315,610,102.18
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Solution
The fourth proportional to 583,533,970.50, 805,274,471.82 and 315,610,102.18 is: 435,540,638.90
Step by Step Solution
- Step 1: Write the proportion equation
583,533,970.50 : 805,274,471.82 = 315,610,102.18 : x - Step 2: Convert to fraction form
583,533,970.50/805,274,471.82 = 315,610,102.18/x - Step 3: Cross multiply
583,533,970.50x = 805,274,471.82 × 315,610,102.18 - Step 4: Simplify right side
583,533,970.50x = 254,152,758,332,042,560 - Step 5: Solve for x
x = 254,152,758,332,042,560/583,533,970.50 - Step 6: Final answer
x = 435,540,638.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.