Finding the Fourth Proportional to 915,280,923.24, 1,263,102,045.18 and 497,594,803.56
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Solution
The fourth proportional to 915,280,923.24, 1,263,102,045.18 and 497,594,803.56 is: 686,688,641.80
Step by Step Solution
- Step 1: Write the proportion equation
915,280,923.24 : 1,263,102,045.18 = 497,594,803.56 : x - Step 2: Convert to fraction form
915,280,923.24/1,263,102,045.18 = 497,594,803.56/x - Step 3: Cross multiply
915,280,923.24x = 1,263,102,045.18 × 497,594,803.56 - Step 4: Simplify right side
915,280,923.24x = 628,513,014,047,576,320 - Step 5: Solve for x
x = 628,513,014,047,576,320/915,280,923.24 - Step 6: Final answer
x = 686,688,641.80
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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.