Finding the Fourth Proportional to 884,133,089.30, 1,326,199,633.95 and 785,497,639.70
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Solution
The fourth proportional to 884,133,089.30, 1,326,199,633.95 and 785,497,639.70 is: 1,178,246,459.55
Step by Step Solution
- Step 1: Write the proportion equation
884,133,089.30 : 1,326,199,633.95 = 785,497,639.70 : x - Step 2: Convert to fraction form
884,133,089.30/1,326,199,633.95 = 785,497,639.70/x - Step 3: Cross multiply
884,133,089.30x = 1,326,199,633.95 × 785,497,639.70 - Step 4: Simplify right side
884,133,089.30x = 1,041,726,682,238,729,088 - Step 5: Solve for x
x = 1,041,726,682,238,729,088/884,133,089.30 - Step 6: Final answer
x = 1,178,246,459.55
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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.