Finding the Fourth Proportional to 1,047,743,877.60, 1,571,347,748.52 and 310,641,421.68
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Solution
The fourth proportional to 1,047,743,877.60, 1,571,347,748.52 and 310,641,421.68 is: 465,882,654.14
Step by Step Solution
- Step 1: Write the proportion equation
1,047,743,877.60 : 1,571,347,748.52 = 310,641,421.68 : x - Step 2: Convert to fraction form
1,047,743,877.60/1,571,347,748.52 = 310,641,421.68/x - Step 3: Cross multiply
1,047,743,877.60x = 1,571,347,748.52 × 310,641,421.68 - Step 4: Simplify right side
1,047,743,877.60x = 488,125,698,553,919,936 - Step 5: Solve for x
x = 488,125,698,553,919,936/1,047,743,877.60 - Step 6: Final answer
x = 465,882,654.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.