Finding the Fourth Proportional to 785,372,701.92, 1,083,821,639.04 and 432,961,303.68
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Solution
The fourth proportional to 785,372,701.92, 1,083,821,639.04 and 432,961,303.68 is: 597,490,629.16
Step by Step Solution
- Step 1: Write the proportion equation
785,372,701.92 : 1,083,821,639.04 = 432,961,303.68 : x - Step 2: Convert to fraction form
785,372,701.92/1,083,821,639.04 = 432,961,303.68/x - Step 3: Cross multiply
785,372,701.92x = 1,083,821,639.04 × 432,961,303.68 - Step 4: Simplify right side
785,372,701.92x = 469,252,829,795,352,768 - Step 5: Solve for x
x = 469,252,829,795,352,768/785,372,701.92 - Step 6: Final answer
x = 597,490,629.16
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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.