Finding the Fourth Proportional to 7,443,962,315.64, 10,272,668,053.32 and 4,102,460,635.68
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Solution
The fourth proportional to 7,443,962,315.64, 10,272,668,053.32 and 4,102,460,635.68 is: 5,661,395,709.06
Step by Step Solution
- Step 1: Write the proportion equation
7,443,962,315.64 : 10,272,668,053.32 = 4,102,460,635.68 : x - Step 2: Convert to fraction form
7,443,962,315.64/10,272,668,053.32 = 4,102,460,635.68/x - Step 3: Cross multiply
7,443,962,315.64x = 10,272,668,053.32 × 4,102,460,635.68 - Step 4: Simplify right side
7,443,962,315.64x = 42,143,216,312,152,793,088 - Step 5: Solve for x
x = 42,143,216,312,152,793,088/7,443,962,315.64 - Step 6: Final answer
x = 5,661,395,709.06
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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.