Finding the Fourth Proportional to 5,371,488,493.60, 8,057,232,740.40 and 3,189,331,386.40
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Solution
The fourth proportional to 5,371,488,493.60, 8,057,232,740.40 and 3,189,331,386.40 is: 4,783,997,079.60
Step by Step Solution
- Step 1: Write the proportion equation
5,371,488,493.60 : 8,057,232,740.40 = 3,189,331,386.40 : x - Step 2: Convert to fraction form
5,371,488,493.60/8,057,232,740.40 = 3,189,331,386.40/x - Step 3: Cross multiply
5,371,488,493.60x = 8,057,232,740.40 × 3,189,331,386.40 - Step 4: Simplify right side
5,371,488,493.60x = 25,697,185,266,487,402,496 - Step 5: Solve for x
x = 25,697,185,266,487,402,496/5,371,488,493.60 - Step 6: Final answer
x = 4,783,997,079.60
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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.