Finding the Fourth Proportional to 368,748,660.31, 553,516,744.67 and 158,763,336.21
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Solution
The fourth proportional to 368,748,660.31, 553,516,744.67 and 158,763,336.21 is: 238,314,533.69
Step by Step Solution
- Step 1: Write the proportion equation
368,748,660.31 : 553,516,744.67 = 158,763,336.21 : x - Step 2: Convert to fraction form
368,748,660.31/553,516,744.67 = 158,763,336.21/x - Step 3: Cross multiply
368,748,660.31x = 553,516,744.67 × 158,763,336.21 - Step 4: Simplify right side
368,748,660.31x = 87,878,165,031,907,936 - Step 5: Solve for x
x = 87,878,165,031,907,936/368,748,660.31 - Step 6: Final answer
x = 238,314,533.69
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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.