Finding the Fourth Proportional to 598,460,628.80, 898,257,813.60 and 368,878,116.80
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Solution
The fourth proportional to 598,460,628.80, 898,257,813.60 and 368,878,116.80 is: 553,666,581.79
Step by Step Solution
- Step 1: Write the proportion equation
598,460,628.80 : 898,257,813.60 = 368,878,116.80 : x - Step 2: Convert to fraction form
598,460,628.80/898,257,813.60 = 368,878,116.80/x - Step 3: Cross multiply
598,460,628.80x = 898,257,813.60 × 368,878,116.80 - Step 4: Simplify right side
598,460,628.80x = 331,347,650,681,653,440 - Step 5: Solve for x
x = 331,347,650,681,653,440/598,460,628.80 - Step 6: Final answer
x = 553,666,581.79
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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.