Finding the Fourth Proportional to 7,565,644,951.20, 11,329,357,129.20 and 4,966,644,477.60
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Solution
The fourth proportional to 7,565,644,951.20, 11,329,357,129.20 and 4,966,644,477.60 is: 7,437,421,314.83
Step by Step Solution
- Step 1: Write the proportion equation
7,565,644,951.20 : 11,329,357,129.20 = 4,966,644,477.60 : x - Step 2: Convert to fraction form
7,565,644,951.20/11,329,357,129.20 = 4,966,644,477.60/x - Step 3: Cross multiply
7,565,644,951.20x = 11,329,357,129.20 × 4,966,644,477.60 - Step 4: Simplify right side
7,565,644,951.20x = 56,268,889,020,499,378,176 - Step 5: Solve for x
x = 56,268,889,020,499,378,176/7,565,644,951.20 - Step 6: Final answer
x = 7,437,421,314.83
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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.