Finding the Fourth Proportional to 295,219,335.32, 442,657,680.42 and 139,771,838.28
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Solution
The fourth proportional to 295,219,335.32, 442,657,680.42 and 139,771,838.28 is: 209,576,644.62
Step by Step Solution
- Step 1: Write the proportion equation
295,219,335.32 : 442,657,680.42 = 139,771,838.28 : x - Step 2: Convert to fraction form
295,219,335.32/442,657,680.42 = 139,771,838.28/x - Step 3: Cross multiply
295,219,335.32x = 442,657,680.42 × 139,771,838.28 - Step 4: Simplify right side
295,219,335.32x = 61,871,077,721,064,168 - Step 5: Solve for x
x = 61,871,077,721,064,168/295,219,335.32 - Step 6: Final answer
x = 209,576,644.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.