Finding the Fourth Proportional to 944,787,358.40, 1,417,181,037.60 and 829,996,102.40
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Solution
The fourth proportional to 944,787,358.40, 1,417,181,037.60 and 829,996,102.40 is: 1,244,994,153.60
Step by Step Solution
- Step 1: Write the proportion equation
944,787,358.40 : 1,417,181,037.60 = 829,996,102.40 : x - Step 2: Convert to fraction form
944,787,358.40/1,417,181,037.60 = 829,996,102.40/x - Step 3: Cross multiply
944,787,358.40x = 1,417,181,037.60 × 829,996,102.40 - Step 4: Simplify right side
944,787,358.40x = 1,176,254,737,603,187,712 - Step 5: Solve for x
x = 1,176,254,737,603,187,712/944,787,358.40 - Step 6: Final answer
x = 1,244,994,153.60
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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.