Finding the Fourth Proportional to 1,430,784,047.20, 2,146,176,070.80 and 510,690,402.40
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Solution
The fourth proportional to 1,430,784,047.20, 2,146,176,070.80 and 510,690,402.40 is: 766,035,603.60
Step by Step Solution
- Step 1: Write the proportion equation
1,430,784,047.20 : 2,146,176,070.80 = 510,690,402.40 : x - Step 2: Convert to fraction form
1,430,784,047.20/2,146,176,070.80 = 510,690,402.40/x - Step 3: Cross multiply
1,430,784,047.20x = 2,146,176,070.80 × 510,690,402.40 - Step 4: Simplify right side
1,430,784,047.20x = 1,096,031,521,218,102,784 - Step 5: Solve for x
x = 1,096,031,521,218,102,784/1,430,784,047.20 - Step 6: Final answer
x = 766,035,603.60
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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.