Finding the Fourth Proportional to 4,087,768,694.29, 6,131,653,041.50 and 1,290,020,792.17
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Solution
The fourth proportional to 4,087,768,694.29, 6,131,653,041.50 and 1,290,020,792.17 is: 1,935,031,188.27
Step by Step Solution
- Step 1: Write the proportion equation
4,087,768,694.29 : 6,131,653,041.50 = 1,290,020,792.17 : x - Step 2: Convert to fraction form
4,087,768,694.29/6,131,653,041.50 = 1,290,020,792.17/x - Step 3: Cross multiply
4,087,768,694.29x = 6,131,653,041.50 × 1,290,020,792.17 - Step 4: Simplify right side
4,087,768,694.29x = 7,909,959,913,900,969,984 - Step 5: Solve for x
x = 7,909,959,913,900,969,984/4,087,768,694.29 - Step 6: Final answer
x = 1,935,031,188.27
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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.