Finding the Fourth Proportional to 5,713,127,931.91, 7,883,402,631.31 and 3,172,464,461.79
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Solution
The fourth proportional to 5,713,127,931.91, 7,883,402,631.31 and 3,172,464,461.79 is: 4,377,604,524.86
Step by Step Solution
- Step 1: Write the proportion equation
5,713,127,931.91 : 7,883,402,631.31 = 3,172,464,461.79 : x - Step 2: Convert to fraction form
5,713,127,931.91/7,883,402,631.31 = 3,172,464,461.79/x - Step 3: Cross multiply
5,713,127,931.91x = 7,883,402,631.31 × 3,172,464,461.79 - Step 4: Simplify right side
5,713,127,931.91x = 25,009,814,685,812,748,288 - Step 5: Solve for x
x = 25,009,814,685,812,748,288/5,713,127,931.91 - Step 6: Final answer
x = 4,377,604,524.86
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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.