Finding the Fourth Proportional to 4,872,688,876.23, 7,308,169,329.95 and 2,216,122,705.54
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Solution
The fourth proportional to 4,872,688,876.23, 7,308,169,329.95 and 2,216,122,705.54 is: 3,323,791,113.99
Step by Step Solution
- Step 1: Write the proportion equation
4,872,688,876.23 : 7,308,169,329.95 = 2,216,122,705.54 : x - Step 2: Convert to fraction form
4,872,688,876.23/7,308,169,329.95 = 2,216,122,705.54/x - Step 3: Cross multiply
4,872,688,876.23x = 7,308,169,329.95 × 2,216,122,705.54 - Step 4: Simplify right side
4,872,688,876.23x = 16,195,799,988,039,417,856 - Step 5: Solve for x
x = 16,195,799,988,039,417,856/4,872,688,876.23 - Step 6: Final answer
x = 3,323,791,113.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.