Finding the Fourth Proportional to 1,977,408,835.20, 2,966,113,252.80 and 1,149,778,051.20
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Solution
The fourth proportional to 1,977,408,835.20, 2,966,113,252.80 and 1,149,778,051.20 is: 1,724,667,076.80
Step by Step Solution
- Step 1: Write the proportion equation
1,977,408,835.20 : 2,966,113,252.80 = 1,149,778,051.20 : x - Step 2: Convert to fraction form
1,977,408,835.20/2,966,113,252.80 = 1,149,778,051.20/x - Step 3: Cross multiply
1,977,408,835.20x = 2,966,113,252.80 × 1,149,778,051.20 - Step 4: Simplify right side
1,977,408,835.20x = 3,410,371,915,442,877,440 - Step 5: Solve for x
x = 3,410,371,915,442,877,440/1,977,408,835.20 - Step 6: Final answer
x = 1,724,667,076.80
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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.