Finding the Fourth Proportional to 2,011,069,437.58, 3,017,038,349.99 and 612,163,099.81
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Solution
The fourth proportional to 2,011,069,437.58, 3,017,038,349.99 and 612,163,099.81 is: 918,376,816.86
Step by Step Solution
- Step 1: Write the proportion equation
2,011,069,437.58 : 3,017,038,349.99 = 612,163,099.81 : x - Step 2: Convert to fraction form
2,011,069,437.58/3,017,038,349.99 = 612,163,099.81/x - Step 3: Cross multiply
2,011,069,437.58x = 3,017,038,349.99 × 612,163,099.81 - Step 4: Simplify right side
2,011,069,437.58x = 1,846,919,548,575,525,888 - Step 5: Solve for x
x = 1,846,919,548,575,525,888/2,011,069,437.58 - Step 6: Final answer
x = 918,376,816.86
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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.