Finding the Fourth Proportional to 865,766,512.64, 1,195,750,702.68 and 569,730,347.57
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Solution
The fourth proportional to 865,766,512.64, 1,195,750,702.68 and 569,730,347.57 is: 786,881,282.08
Step by Step Solution
- Step 1: Write the proportion equation
865,766,512.64 : 1,195,750,702.68 = 569,730,347.57 : x - Step 2: Convert to fraction form
865,766,512.64/1,195,750,702.68 = 569,730,347.57/x - Step 3: Cross multiply
865,766,512.64x = 1,195,750,702.68 × 569,730,347.57 - Step 4: Simplify right side
865,766,512.64x = 681,255,463,444,948,224 - Step 5: Solve for x
x = 681,255,463,444,948,224/865,766,512.64 - Step 6: Final answer
x = 786,881,282.08
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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.