Finding the Fourth Proportional to 1,660,615,373.53, 2,291,697,045.16 and 918,107,265.97
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Solution
The fourth proportional to 1,660,615,373.53, 2,291,697,045.16 and 918,107,265.97 is: 1,267,014,470.72
Step by Step Solution
- Step 1: Write the proportion equation
1,660,615,373.53 : 2,291,697,045.16 = 918,107,265.97 : x - Step 2: Convert to fraction form
1,660,615,373.53/2,291,697,045.16 = 918,107,265.97/x - Step 3: Cross multiply
1,660,615,373.53x = 2,291,697,045.16 × 918,107,265.97 - Step 4: Simplify right side
1,660,615,373.53x = 2,104,023,708,563,375,104 - Step 5: Solve for x
x = 2,104,023,708,563,375,104/1,660,615,373.53 - Step 6: Final answer
x = 1,267,014,470.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.