Finding the Fourth Proportional to 883,124,437.39, 1,218,768,930.62 and 506,796,887.41
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Solution
The fourth proportional to 883,124,437.39, 1,218,768,930.62 and 506,796,887.41 is: 699,412,533.90
Step by Step Solution
- Step 1: Write the proportion equation
883,124,437.39 : 1,218,768,930.62 = 506,796,887.41 : x - Step 2: Convert to fraction form
883,124,437.39/1,218,768,930.62 = 506,796,887.41/x - Step 3: Cross multiply
883,124,437.39x = 1,218,768,930.62 × 506,796,887.41 - Step 4: Simplify right side
883,124,437.39x = 617,668,300,501,602,432 - Step 5: Solve for x
x = 617,668,300,501,602,432/883,124,437.39 - Step 6: Final answer
x = 699,412,533.90
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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.