Finding the Fourth Proportional to 6,345,528,901.74, 8,756,909,235.19 and 3,487,983,100.40
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Solution
The fourth proportional to 6,345,528,901.74, 8,756,909,235.19 and 3,487,983,100.40 is: 4,813,460,295.75
Step by Step Solution
- Step 1: Write the proportion equation
6,345,528,901.74 : 8,756,909,235.19 = 3,487,983,100.40 : x - Step 2: Convert to fraction form
6,345,528,901.74/8,756,909,235.19 = 3,487,983,100.40/x - Step 3: Cross multiply
6,345,528,901.74x = 8,756,909,235.19 × 3,487,983,100.40 - Step 4: Simplify right side
6,345,528,901.74x = 30,543,951,424,079,413,248 - Step 5: Solve for x
x = 30,543,951,424,079,413,248/6,345,528,901.74 - Step 6: Final answer
x = 4,813,460,295.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.