Finding the Fourth Proportional to 7,461,684,151.20, 11,187,424,393.20 and 3,533,272,279.20
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Solution
The fourth proportional to 7,461,684,151.20, 11,187,424,393.20 and 3,533,272,279.20 is: 5,297,492,587.89
Step by Step Solution
- Step 1: Write the proportion equation
7,461,684,151.20 : 11,187,424,393.20 = 3,533,272,279.20 : x - Step 2: Convert to fraction form
7,461,684,151.20/11,187,424,393.20 = 3,533,272,279.20/x - Step 3: Cross multiply
7,461,684,151.20x = 11,187,424,393.20 × 3,533,272,279.20 - Step 4: Simplify right side
7,461,684,151.20x = 39,528,216,484,139,442,176 - Step 5: Solve for x
x = 39,528,216,484,139,442,176/7,461,684,151.20 - Step 6: Final answer
x = 5,297,492,587.89
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1.5x scale
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.