Finding the Fourth Proportional to 386,804,535,652.21, 580,206,803,478.33 and 386,804,535,652.21
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Solution
The fourth proportional to 386,804,535,652.21, 580,206,803,478.33 and 386,804,535,652.21 is: 580,206,803,478.33
Step by Step Solution
- Step 1: Write the proportion equation
386,804,535,652.21 : 580,206,803,478.33 = 386,804,535,652.21 : x - Step 2: Convert to fraction form
386,804,535,652.21/580,206,803,478.33 = 386,804,535,652.21/x - Step 3: Cross multiply
386,804,535,652.21x = 580,206,803,478.33 × 386,804,535,652.21 - Step 4: Simplify right side
386,804,535,652.21x = 224,426,623,201,688,485,363,712 - Step 5: Solve for x
x = 224,426,623,201,688,485,363,712/386,804,535,652.21 - Step 6: Final answer
x = 580,206,803,478.33
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1.5x scale
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.