Finding the Fourth Proportional to 944,785,087.80, 1,417,177,631.70 and 854,386,973.70
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Solution
The fourth proportional to 944,785,087.80, 1,417,177,631.70 and 854,386,973.70 is: 1,281,580,460.55
Step by Step Solution
- Step 1: Write the proportion equation
944,785,087.80 : 1,417,177,631.70 = 854,386,973.70 : x - Step 2: Convert to fraction form
944,785,087.80/1,417,177,631.70 = 854,386,973.70/x - Step 3: Cross multiply
944,785,087.80x = 1,417,177,631.70 × 854,386,973.70 - Step 4: Simplify right side
944,785,087.80x = 1,210,818,107,943,496,192 - Step 5: Solve for x
x = 1,210,818,107,943,496,192/944,785,087.80 - Step 6: Final answer
x = 1,281,580,460.55
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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.