Finding the Fourth Proportional to 7,189,439,675.60, 10,784,159,513.40 and 6,386,807,176.40
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Solution
The fourth proportional to 7,189,439,675.60, 10,784,159,513.40 and 6,386,807,176.40 is: 9,580,210,764.60
Step by Step Solution
- Step 1: Write the proportion equation
7,189,439,675.60 : 10,784,159,513.40 = 6,386,807,176.40 : x - Step 2: Convert to fraction form
7,189,439,675.60/10,784,159,513.40 = 6,386,807,176.40/x - Step 3: Cross multiply
7,189,439,675.60x = 10,784,159,513.40 × 6,386,807,176.40 - Step 4: Simplify right side
7,189,439,675.60x = 68,876,347,371,625,447,424 - Step 5: Solve for x
x = 68,876,347,371,625,447,424/7,189,439,675.60 - Step 6: Final answer
x = 9,580,210,764.60
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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.