Home / 693,430,410.22-956,933,735.81-380,157,898.14

Finding the Fourth Proportional to 693,430,410.22, 956,933,735.81 and 380,157,898.14

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Solution

The fourth proportional to 693,430,410.22, 956,933,735.81 and 380,157,898.14 is: 524,617,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,430,410.22 : 956,933,735.81 = 380,157,898.14 : x
  2. Step 2: Convert to fraction form
    693,430,410.22/956,933,735.81 = 380,157,898.14/x
  3. Step 3: Cross multiply
    693,430,410.22x = 956,933,735.81 × 380,157,898.14
  4. Step 4: Simplify right side
    693,430,410.22x = 363,785,917,668,130,368
  5. Step 5: Solve for x
    x = 363,785,917,668,130,368/693,430,410.22
  6. Step 6: Final answer
    x = 524,617,773.18

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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.