Finding the Fourth Proportional to 1,442,450,817.70, 2,163,124,681.21 and 787,051,536.61
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Solution
The fourth proportional to 1,442,450,817.70, 2,163,124,681.21 and 787,051,536.61 is: 1,180,276,362.52
Step by Step Solution
- Step 1: Write the proportion equation
1,442,450,817.70 : 2,163,124,681.21 = 787,051,536.61 : x - Step 2: Convert to fraction form
1,442,450,817.70/2,163,124,681.21 = 787,051,536.61/x - Step 3: Cross multiply
1,442,450,817.70x = 2,163,124,681.21 × 787,051,536.61 - Step 4: Simplify right side
1,442,450,817.70x = 1,702,490,604,225,347,072 - Step 5: Solve for x
x = 1,702,490,604,225,347,072/1,442,450,817.70 - Step 6: Final answer
x = 1,180,276,362.52
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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.