Finding the Fourth Proportional to 6,430,509,306.41, 9,644,021,746.79 and 1,771,275,206.57
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Solution
The fourth proportional to 6,430,509,306.41, 9,644,021,746.79 and 1,771,275,206.57 is: 2,656,432,919.65
Step by Step Solution
- Step 1: Write the proportion equation
6,430,509,306.41 : 9,644,021,746.79 = 1,771,275,206.57 : x - Step 2: Convert to fraction form
6,430,509,306.41/9,644,021,746.79 = 1,771,275,206.57/x - Step 3: Cross multiply
6,430,509,306.41x = 9,644,021,746.79 × 1,771,275,206.57 - Step 4: Simplify right side
6,430,509,306.41x = 17,082,216,611,653,953,536 - Step 5: Solve for x
x = 17,082,216,611,653,953,536/6,430,509,306.41 - Step 6: Final answer
x = 2,656,432,919.65
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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.