Home / 689,535,533.90-951,579,224.97-376,289,938.32

Finding the Fourth Proportional to 689,535,533.90, 951,579,224.97 and 376,289,938.32

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Solution

The fourth proportional to 689,535,533.90, 951,579,224.97 and 376,289,938.32 is: 519,291,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,535,533.90 : 951,579,224.97 = 376,289,938.32 : x
  2. Step 2: Convert to fraction form
    689,535,533.90/951,579,224.97 = 376,289,938.32/x
  3. Step 3: Cross multiply
    689,535,533.90x = 951,579,224.97 × 376,289,938.32
  4. Step 4: Simplify right side
    689,535,533.90x = 358,069,687,874,083,968
  5. Step 5: Solve for x
    x = 358,069,687,874,083,968/689,535,533.90
  6. Step 6: Final answer
    x = 519,291,131.89

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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.