Finding the Fourth Proportional to 974,276,484.80, 1,461,414,727.20 and 877,530,603.20
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Solution
The fourth proportional to 974,276,484.80, 1,461,414,727.20 and 877,530,603.20 is: 1,316,295,904.80
Step by Step Solution
- Step 1: Write the proportion equation
974,276,484.80 : 1,461,414,727.20 = 877,530,603.20 : x - Step 2: Convert to fraction form
974,276,484.80/1,461,414,727.20 = 877,530,603.20/x - Step 3: Cross multiply
974,276,484.80x = 1,461,414,727.20 × 877,530,603.20 - Step 4: Simplify right side
974,276,484.80x = 1,282,436,147,085,179,648 - Step 5: Solve for x
x = 1,282,436,147,085,179,648/974,276,484.80 - Step 6: Final answer
x = 1,316,295,904.80
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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.