Finding the Fourth Proportional to 862,358,152.60, 1,293,064,836.90 and 424,696,412.44
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Solution
The fourth proportional to 862,358,152.60, 1,293,064,836.90 and 424,696,412.44 is: 636,811,973.80
Step by Step Solution
- Step 1: Write the proportion equation
862,358,152.60 : 1,293,064,836.90 = 424,696,412.44 : x - Step 2: Convert to fraction form
862,358,152.60/1,293,064,836.90 = 424,696,412.44/x - Step 3: Cross multiply
862,358,152.60x = 1,293,064,836.90 × 424,696,412.44 - Step 4: Simplify right side
862,358,152.60x = 549,159,997,283,743,744 - Step 5: Solve for x
x = 549,159,997,283,743,744/862,358,152.60 - Step 6: Final answer
x = 636,811,973.80
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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.