Finding the Fourth Proportional to 539,472,500.06, 744,472,040.99 and 291,953,854.31
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Solution
The fourth proportional to 539,472,500.06, 744,472,040.99 and 291,953,854.31 is: 402,896,314.02
Step by Step Solution
- Step 1: Write the proportion equation
539,472,500.06 : 744,472,040.99 = 291,953,854.31 : x - Step 2: Convert to fraction form
539,472,500.06/744,472,040.99 = 291,953,854.31/x - Step 3: Cross multiply
539,472,500.06x = 744,472,040.99 × 291,953,854.31 - Step 4: Simplify right side
539,472,500.06x = 217,351,481,787,880,704 - Step 5: Solve for x
x = 217,351,481,787,880,704/539,472,500.06 - Step 6: Final answer
x = 402,896,314.02
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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.