Finding the Fourth Proportional to 419,273,268.96, 578,599,406.64 and 243,165,648
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Solution
The fourth proportional to 419,273,268.96, 578,599,406.64 and 243,165,648 is: 335,569,925.55
Step by Step Solution
- Step 1: Write the proportion equation
419,273,268.96 : 578,599,406.64 = 243,165,648 : x - Step 2: Convert to fraction form
419,273,268.96/578,599,406.64 = 243,165,648/x - Step 3: Cross multiply
419,273,268.96x = 578,599,406.64 × 243,165,648 - Step 4: Simplify right side
419,273,268.96x = 140,695,499,648,031,104 - Step 5: Solve for x
x = 140,695,499,648,031,104/419,273,268.96 - Step 6: Final answer
x = 335,569,925.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.