Finding the Fourth Proportional to 1,555,497,816.30, 2,334,142,519.65 and 586,844,606.70
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Solution
The fourth proportional to 1,555,497,816.30, 2,334,142,519.65 and 586,844,606.70 is: 880,604,867.83
Step by Step Solution
- Step 1: Write the proportion equation
1,555,497,816.30 : 2,334,142,519.65 = 586,844,606.70 : x - Step 2: Convert to fraction form
1,555,497,816.30/2,334,142,519.65 = 586,844,606.70/x - Step 3: Cross multiply
1,555,497,816.30x = 2,334,142,519.65 × 586,844,606.70 - Step 4: Simplify right side
1,555,497,816.30x = 1,369,778,948,925,751,552 - Step 5: Solve for x
x = 1,369,778,948,925,751,552/1,555,497,816.30 - Step 6: Final answer
x = 880,604,867.83
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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.