Finding the Fourth Proportional to 3,878,574,775.01, 5,818,679,247.99 and 1,258,174,273.13
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Solution
The fourth proportional to 3,878,574,775.01, 5,818,679,247.99 and 1,258,174,273.13 is: 1,887,526,464.77
Step by Step Solution
- Step 1: Write the proportion equation
3,878,574,775.01 : 5,818,679,247.99 = 1,258,174,273.13 : x - Step 2: Convert to fraction form
3,878,574,775.01/5,818,679,247.99 = 1,258,174,273.13/x - Step 3: Cross multiply
3,878,574,775.01x = 5,818,679,247.99 × 1,258,174,273.13 - Step 4: Simplify right side
3,878,574,775.01x = 7,320,912,533,423,023,104 - Step 5: Solve for x
x = 7,320,912,533,423,023,104/3,878,574,775.01 - Step 6: Final answer
x = 1,887,526,464.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.