Finding the Fourth Proportional to 1,020,307,541.77, 1,530,704,188.80 and 330,214,795.75
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Solution
The fourth proportional to 1,020,307,541.77, 1,530,704,188.80 and 330,214,795.75 is: 495,400,798.65
Step by Step Solution
- Step 1: Write the proportion equation
1,020,307,541.77 : 1,530,704,188.80 = 330,214,795.75 : x - Step 2: Convert to fraction form
1,020,307,541.77/1,530,704,188.80 = 330,214,795.75/x - Step 3: Cross multiply
1,020,307,541.77x = 1,530,704,188.80 × 330,214,795.75 - Step 4: Simplify right side
1,020,307,541.77x = 505,461,171,058,261,440 - Step 5: Solve for x
x = 505,461,171,058,261,440/1,020,307,541.77 - Step 6: Final answer
x = 495,400,798.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.