Home / 628,247,510.91-940,599,541.76-332,472,693.69

Finding the Fourth Proportional to 628,247,510.91, 940,599,541.76 and 332,472,693.69

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Solution

The fourth proportional to 628,247,510.91, 940,599,541.76 and 332,472,693.69 is: 497,771,432.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,247,510.91 : 940,599,541.76 = 332,472,693.69 : x
  2. Step 2: Convert to fraction form
    628,247,510.91/940,599,541.76 = 332,472,693.69/x
  3. Step 3: Cross multiply
    628,247,510.91x = 940,599,541.76 × 332,472,693.69
  4. Step 4: Simplify right side
    628,247,510.91x = 312,723,663,330,864,448
  5. Step 5: Solve for x
    x = 312,723,663,330,864,448/628,247,510.91
  6. Step 6: Final answer
    x = 497,771,432.28

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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.