Finding the Fourth Proportional to 630,477,649.74, 944,896,062.44 and 256,549,672.68
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Solution
The fourth proportional to 630,477,649.74, 944,896,062.44 and 256,549,672.68 is: 384,490,672.49
Step by Step Solution
- Step 1: Write the proportion equation
630,477,649.74 : 944,896,062.44 = 256,549,672.68 : x - Step 2: Convert to fraction form
630,477,649.74/944,896,062.44 = 256,549,672.68/x - Step 3: Cross multiply
630,477,649.74x = 944,896,062.44 × 256,549,672.68 - Step 4: Simplify right side
630,477,649.74x = 242,412,775,535,602,848 - Step 5: Solve for x
x = 242,412,775,535,602,848/630,477,649.74 - Step 6: Final answer
x = 384,490,672.49
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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.