Finding the Fourth Proportional to 888,768,600,228.85, 1,226,499,715,406.70 and 482,776,444,901.62
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Solution
The fourth proportional to 888,768,600,228.85, 1,226,499,715,406.70 and 482,776,444,901.62 is: 666,230,976,346.86
Step by Step Solution
- Step 1: Write the proportion equation
888,768,600,228.85 : 1,226,499,715,406.70 = 482,776,444,901.62 : x - Step 2: Convert to fraction form
888,768,600,228.85/1,226,499,715,406.70 = 482,776,444,901.62/x - Step 3: Cross multiply
888,768,600,228.85x = 1,226,499,715,406.70 × 482,776,444,901.62 - Step 4: Simplify right side
888,768,600,228.85x = 592,125,172,276,895,280,005,120 - Step 5: Solve for x
x = 592,125,172,276,895,280,005,120/888,768,600,228.85 - Step 6: Final answer
x = 666,230,976,346.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.