Finding the Fourth Proportional to 576,547,662.58, 864,968,968.74 and 167,603,813.08
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Solution
The fourth proportional to 576,547,662.58, 864,968,968.74 and 167,603,813.08 is: 251,448,590.92
Step by Step Solution
- Step 1: Write the proportion equation
576,547,662.58 : 864,968,968.74 = 167,603,813.08 : x - Step 2: Convert to fraction form
576,547,662.58/864,968,968.74 = 167,603,813.08/x - Step 3: Cross multiply
576,547,662.58x = 864,968,968.74 × 167,603,813.08 - Step 4: Simplify right side
576,547,662.58x = 144,972,097,355,165,408 - Step 5: Solve for x
x = 144,972,097,355,165,408/576,547,662.58 - Step 6: Final answer
x = 251,448,590.92
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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.