Finding the Fourth Proportional to 4,578,302,437.80, 6,867,453,656.70 and 1,131,730,405.80
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Solution
The fourth proportional to 4,578,302,437.80, 6,867,453,656.70 and 1,131,730,405.80 is: 1,697,595,608.70
Step by Step Solution
- Step 1: Write the proportion equation
4,578,302,437.80 : 6,867,453,656.70 = 1,131,730,405.80 : x - Step 2: Convert to fraction form
4,578,302,437.80/6,867,453,656.70 = 1,131,730,405.80/x - Step 3: Cross multiply
4,578,302,437.80x = 6,867,453,656.70 × 1,131,730,405.80 - Step 4: Simplify right side
4,578,302,437.80x = 7,772,106,113,709,784,064 - Step 5: Solve for x
x = 7,772,106,113,709,784,064/4,578,302,437.80 - Step 6: Final answer
x = 1,697,595,608.70
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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.