Finding the Fourth Proportional to 1,959,550,515.14, 2,704,178,518.71 and 1,079,484,219.14
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Solution
The fourth proportional to 1,959,550,515.14, 2,704,178,518.71 and 1,079,484,219.14 is: 1,489,687,565.66
Step by Step Solution
- Step 1: Write the proportion equation
1,959,550,515.14 : 2,704,178,518.71 = 1,079,484,219.14 : x - Step 2: Convert to fraction form
1,959,550,515.14/2,704,178,518.71 = 1,079,484,219.14/x - Step 3: Cross multiply
1,959,550,515.14x = 2,704,178,518.71 × 1,079,484,219.14 - Step 4: Simplify right side
1,959,550,515.14x = 2,919,118,036,684,826,624 - Step 5: Solve for x
x = 2,919,118,036,684,826,624/1,959,550,515.14 - Step 6: Final answer
x = 1,489,687,565.66
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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.