Finding the Fourth Proportional to 560,965,672.20, 841,448,508.30 and 553,312,921.80
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Solution
The fourth proportional to 560,965,672.20, 841,448,508.30 and 553,312,921.80 is: 829,969,382.70
Step by Step Solution
- Step 1: Write the proportion equation
560,965,672.20 : 841,448,508.30 = 553,312,921.80 : x - Step 2: Convert to fraction form
560,965,672.20/841,448,508.30 = 553,312,921.80/x - Step 3: Cross multiply
560,965,672.20x = 841,448,508.30 × 553,312,921.80 - Step 4: Simplify right side
560,965,672.20x = 465,584,332,671,724,480 - Step 5: Solve for x
x = 465,584,332,671,724,480/560,965,672.20 - Step 6: Final answer
x = 829,969,382.70
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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.