Finding the Fourth Proportional to 432,965,155.05, 597,556,607.18 and 340,838,917.29
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Solution
The fourth proportional to 432,965,155.05, 597,556,607.18 and 340,838,917.29 is: 470,408,633.66
Step by Step Solution
- Step 1: Write the proportion equation
432,965,155.05 : 597,556,607.18 = 340,838,917.29 : x - Step 2: Convert to fraction form
432,965,155.05/597,556,607.18 = 340,838,917.29/x - Step 3: Cross multiply
432,965,155.05x = 597,556,607.18 × 340,838,917.29 - Step 4: Simplify right side
432,965,155.05x = 203,670,547,010,717,024 - Step 5: Solve for x
x = 203,670,547,010,717,024/432,965,155.05 - Step 6: Final answer
x = 470,408,633.66
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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.