Home / 479,579,036.16-661,835,117.76-293,904,194.16

Finding the Fourth Proportional to 479,579,036.16, 661,835,117.76 and 293,904,194.16

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Solution

The fourth proportional to 479,579,036.16, 661,835,117.76 and 293,904,194.16 is: 405,597,622.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,579,036.16 : 661,835,117.76 = 293,904,194.16 : x
  2. Step 2: Convert to fraction form
    479,579,036.16/661,835,117.76 = 293,904,194.16/x
  3. Step 3: Cross multiply
    479,579,036.16x = 661,835,117.76 × 293,904,194.16
  4. Step 4: Simplify right side
    479,579,036.16x = 194,516,116,952,041,504
  5. Step 5: Solve for x
    x = 194,516,116,952,041,504/479,579,036.16
  6. Step 6: Final answer
    x = 405,597,622.68

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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.