Home / 693,430,410.48-956,933,736.16-380,157,898.40

Finding the Fourth Proportional to 693,430,410.48, 956,933,736.16 and 380,157,898.40

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Solution

The fourth proportional to 693,430,410.48, 956,933,736.16 and 380,157,898.40 is: 524,617,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,430,410.48 : 956,933,736.16 = 380,157,898.40 : x
  2. Step 2: Convert to fraction form
    693,430,410.48/956,933,736.16 = 380,157,898.40/x
  3. Step 3: Cross multiply
    693,430,410.48x = 956,933,736.16 × 380,157,898.40
  4. Step 4: Simplify right side
    693,430,410.48x = 363,785,918,046,645,632
  5. Step 5: Solve for x
    x = 363,785,918,046,645,632/693,430,410.48
  6. Step 6: Final answer
    x = 524,617,773.53

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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.