Finding the Fourth Proportional to 1,551,720,194,221.30, 2,327,580,291,332.10 and 916,970,465,043.70
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Solution
The fourth proportional to 1,551,720,194,221.30, 2,327,580,291,332.10 and 916,970,465,043.70 is: 1,375,455,697,565.64
Step by Step Solution
- Step 1: Write the proportion equation
1,551,720,194,221.30 : 2,327,580,291,332.10 = 916,970,465,043.70 : x - Step 2: Convert to fraction form
1,551,720,194,221.30/2,327,580,291,332.10 = 916,970,465,043.70/x - Step 3: Cross multiply
1,551,720,194,221.30x = 2,327,580,291,332.10 × 916,970,465,043.70 - Step 4: Simplify right side
1,551,720,194,221.30x = 2,134,322,382,169,346,437,808,128 - Step 5: Solve for x
x = 2,134,322,382,169,346,437,808,128/1,551,720,194,221.30 - Step 6: Final answer
x = 1,375,455,697,565.64
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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.