Finding the Fourth Proportional to 7,443,962,317.64, 10,272,668,056.08 and 4,102,460,637.68
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Solution
The fourth proportional to 7,443,962,317.64, 10,272,668,056.08 and 4,102,460,637.68 is: 5,661,395,711.82
Step by Step Solution
- Step 1: Write the proportion equation
7,443,962,317.64 : 10,272,668,056.08 = 4,102,460,637.68 : x - Step 2: Convert to fraction form
7,443,962,317.64/10,272,668,056.08 = 4,102,460,637.68/x - Step 3: Cross multiply
7,443,962,317.64x = 10,272,668,056.08 × 4,102,460,637.68 - Step 4: Simplify right side
7,443,962,317.64x = 42,143,216,344,020,918,272 - Step 5: Solve for x
x = 42,143,216,344,020,918,272/7,443,962,317.64 - Step 6: Final answer
x = 5,661,395,711.82
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1.5x scale
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.