Finding the Fourth Proportional to 434,011,497.90, 651,088,980.45 and 201,075,002.70
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Solution
The fourth proportional to 434,011,497.90, 651,088,980.45 and 201,075,002.70 is: 301,645,737.81
Step by Step Solution
- Step 1: Write the proportion equation
434,011,497.90 : 651,088,980.45 = 201,075,002.70 : x - Step 2: Convert to fraction form
434,011,497.90/651,088,980.45 = 201,075,002.70/x - Step 3: Cross multiply
434,011,497.90x = 651,088,980.45 × 201,075,002.70 - Step 4: Simplify right side
434,011,497.90x = 130,917,718,501,924,000 - Step 5: Solve for x
x = 130,917,718,501,924,000/434,011,497.90 - Step 6: Final answer
x = 301,645,737.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.