Finding the Fourth Proportional to 344,149,542.56, 474,926,437.07 and 187,516,649.54
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Solution
The fourth proportional to 344,149,542.56, 474,926,437.07 and 187,516,649.54 is: 258,773,013.60
Step by Step Solution
- Step 1: Write the proportion equation
344,149,542.56 : 474,926,437.07 = 187,516,649.54 : x - Step 2: Convert to fraction form
344,149,542.56/474,926,437.07 = 187,516,649.54/x - Step 3: Cross multiply
344,149,542.56x = 474,926,437.07 × 187,516,649.54 - Step 4: Simplify right side
344,149,542.56x = 89,056,614,257,480,352 - Step 5: Solve for x
x = 89,056,614,257,480,352/344,149,542.56 - Step 6: Final answer
x = 258,773,013.60
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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.