Finding the Fourth Proportional to 1,115,610,810.94, 1,674,464,654.85 and 584,203,658.41
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Solution
The fourth proportional to 1,115,610,810.94, 1,674,464,654.85 and 584,203,658.41 is: 876,854,515.61
Step by Step Solution
- Step 1: Write the proportion equation
1,115,610,810.94 : 1,674,464,654.85 = 584,203,658.41 : x - Step 2: Convert to fraction form
1,115,610,810.94/1,674,464,654.85 = 584,203,658.41/x - Step 3: Cross multiply
1,115,610,810.94x = 1,674,464,654.85 × 584,203,658.41 - Step 4: Simplify right side
1,115,610,810.94x = 978,228,377,241,607,808 - Step 5: Solve for x
x = 978,228,377,241,607,808/1,115,610,810.94 - Step 6: Final answer
x = 876,854,515.61
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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.