Finding the Fourth Proportional to 11,756,023,393.68, 16,223,313,160.80 and 6,475,625,617.68
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Solution
The fourth proportional to 11,756,023,393.68, 16,223,313,160.80 and 6,475,625,617.68 is: 8,936,363,835.77
Step by Step Solution
- Step 1: Write the proportion equation
11,756,023,393.68 : 16,223,313,160.80 = 6,475,625,617.68 : x - Step 2: Convert to fraction form
11,756,023,393.68/16,223,313,160.80 = 6,475,625,617.68/x - Step 3: Cross multiply
11,756,023,393.68x = 16,223,313,160.80 × 6,475,625,617.68 - Step 4: Simplify right side
11,756,023,393.68x = 105,056,102,307,721,576,448 - Step 5: Solve for x
x = 105,056,102,307,721,576,448/11,756,023,393.68 - Step 6: Final answer
x = 8,936,363,835.77
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1.5x scale
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.