Home / 665,200,580.72-917,982,746.46-367,862,826.71

Finding the Fourth Proportional to 665,200,580.72, 917,982,746.46 and 367,862,826.71

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Solution

The fourth proportional to 665,200,580.72, 917,982,746.46 and 367,862,826.71 is: 507,653,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,200,580.72 : 917,982,746.46 = 367,862,826.71 : x
  2. Step 2: Convert to fraction form
    665,200,580.72/917,982,746.46 = 367,862,826.71/x
  3. Step 3: Cross multiply
    665,200,580.72x = 917,982,746.46 × 367,862,826.71
  4. Step 4: Simplify right side
    665,200,580.72x = 337,691,727,986,079,808
  5. Step 5: Solve for x
    x = 337,691,727,986,079,808/665,200,580.72
  6. Step 6: Final answer
    x = 507,653,988.55

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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.