Finding the Fourth Proportional to 7,423,159,154.36, 10,243,887,613.88 and 4,036,068,397.94
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Solution
The fourth proportional to 7,423,159,154.36, 10,243,887,613.88 and 4,036,068,397.94 is: 5,569,735,231.41
Step by Step Solution
- Step 1: Write the proportion equation
7,423,159,154.36 : 10,243,887,613.88 = 4,036,068,397.94 : x - Step 2: Convert to fraction form
7,423,159,154.36/10,243,887,613.88 = 4,036,068,397.94/x - Step 3: Cross multiply
7,423,159,154.36x = 10,243,887,613.88 × 4,036,068,397.94 - Step 4: Simplify right side
7,423,159,154.36x = 41,345,031,070,430,060,544 - Step 5: Solve for x
x = 41,345,031,070,430,060,544/7,423,159,154.36 - Step 6: Final answer
x = 5,569,735,231.41
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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.