Finding the Fourth Proportional to 7,324,535,273.60, 10,134,475,553.76 and 6,386,693,686.40
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Solution
The fourth proportional to 7,324,535,273.60, 10,134,475,553.76 and 6,386,693,686.40 is: 8,836,846,109.20
Step by Step Solution
- Step 1: Write the proportion equation
7,324,535,273.60 : 10,134,475,553.76 = 6,386,693,686.40 : x - Step 2: Convert to fraction form
7,324,535,273.60/10,134,475,553.76 = 6,386,693,686.40/x - Step 3: Cross multiply
7,324,535,273.60x = 10,134,475,553.76 × 6,386,693,686.40 - Step 4: Simplify right side
7,324,535,273.60x = 64,725,791,034,174,136,320 - Step 5: Solve for x
x = 64,725,791,034,174,136,320/7,324,535,273.60 - Step 6: Final answer
x = 8,836,846,109.20
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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.