Finding the Fourth Proportional to 2,912,545,070.10, 4,368,817,605.15 and 973,848,302.10
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Solution
The fourth proportional to 2,912,545,070.10, 4,368,817,605.15 and 973,848,302.10 is: 1,460,772,453.15
Step by Step Solution
- Step 1: Write the proportion equation
2,912,545,070.10 : 4,368,817,605.15 = 973,848,302.10 : x - Step 2: Convert to fraction form
2,912,545,070.10/4,368,817,605.15 = 973,848,302.10/x - Step 3: Cross multiply
2,912,545,070.10x = 4,368,817,605.15 × 973,848,302.10 - Step 4: Simplify right side
2,912,545,070.10x = 4,254,565,606,959,915,520 - Step 5: Solve for x
x = 4,254,565,606,959,915,520/2,912,545,070.10 - Step 6: Final answer
x = 1,460,772,453.15
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1.5x scale
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.