Home / 472,826,010.30-709,239,015.45-291,427,482.30

Finding the Fourth Proportional to 472,826,010.30, 709,239,015.45 and 291,427,482.30

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Solution

The fourth proportional to 472,826,010.30, 709,239,015.45 and 291,427,482.30 is: 437,141,223.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,826,010.30 : 709,239,015.45 = 291,427,482.30 : x
  2. Step 2: Convert to fraction form
    472,826,010.30/709,239,015.45 = 291,427,482.30/x
  3. Step 3: Cross multiply
    472,826,010.30x = 709,239,015.45 × 291,427,482.30
  4. Step 4: Simplify right side
    472,826,010.30x = 206,691,740,621,524,320
  5. Step 5: Solve for x
    x = 206,691,740,621,524,320/472,826,010.30
  6. Step 6: Final answer
    x = 437,141,223.45

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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.