Finding the Fourth Proportional to 4,911,798,438.90, 7,367,697,658.35 and 2,700,153,573.30
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Solution
The fourth proportional to 4,911,798,438.90, 7,367,697,658.35 and 2,700,153,573.30 is: 4,050,230,359.95
Step by Step Solution
- Step 1: Write the proportion equation
4,911,798,438.90 : 7,367,697,658.35 = 2,700,153,573.30 : x - Step 2: Convert to fraction form
4,911,798,438.90/7,367,697,658.35 = 2,700,153,573.30/x - Step 3: Cross multiply
4,911,798,438.90x = 7,367,697,658.35 × 2,700,153,573.30 - Step 4: Simplify right side
4,911,798,438.90x = 19,893,915,159,187,795,968 - Step 5: Solve for x
x = 19,893,915,159,187,795,968/4,911,798,438.90 - Step 6: Final answer
x = 4,050,230,359.95
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Double scale
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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.