Finding the Fourth Proportional to 545,424,652.06, 752,688,318.45 and 307,272,693.87
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Solution
The fourth proportional to 545,424,652.06, 752,688,318.45 and 307,272,693.87 is: 424,037,612.49
Step by Step Solution
- Step 1: Write the proportion equation
545,424,652.06 : 752,688,318.45 = 307,272,693.87 : x - Step 2: Convert to fraction form
545,424,652.06/752,688,318.45 = 307,272,693.87/x - Step 3: Cross multiply
545,424,652.06x = 752,688,318.45 × 307,272,693.87 - Step 4: Simplify right side
545,424,652.06x = 231,280,567,254,611,936 - Step 5: Solve for x
x = 231,280,567,254,611,936/545,424,652.06 - Step 6: Final answer
x = 424,037,612.49
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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.