Finding the Fourth Proportional to 1,516,781,663.19, 2,273,174,853.89 and 642,300,975.99
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Solution
The fourth proportional to 1,516,781,663.19, 2,273,174,853.89 and 642,300,975.99 is: 962,605,536.89
Step by Step Solution
- Step 1: Write the proportion equation
1,516,781,663.19 : 2,273,174,853.89 = 642,300,975.99 : x - Step 2: Convert to fraction form
1,516,781,663.19/2,273,174,853.89 = 642,300,975.99/x - Step 3: Cross multiply
1,516,781,663.19x = 2,273,174,853.89 × 642,300,975.99 - Step 4: Simplify right side
1,516,781,663.19x = 1,460,062,427,246,261,248 - Step 5: Solve for x
x = 1,460,062,427,246,261,248/1,516,781,663.19 - Step 6: Final answer
x = 962,605,536.89
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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.