Home / 570,033,340.85-855,178,942.35-307,712,261.26

Finding the Fourth Proportional to 570,033,340.85, 855,178,942.35 and 307,712,261.26

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Solution

The fourth proportional to 570,033,340.85, 855,178,942.35 and 307,712,261.26 is: 461,637,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,033,340.85 : 855,178,942.35 = 307,712,261.26 : x
  2. Step 2: Convert to fraction form
    570,033,340.85/855,178,942.35 = 307,712,261.26/x
  3. Step 3: Cross multiply
    570,033,340.85x = 855,178,942.35 × 307,712,261.26
  4. Step 4: Simplify right side
    570,033,340.85x = 263,149,046,132,453,664
  5. Step 5: Solve for x
    x = 263,149,046,132,453,664/570,033,340.85
  6. Step 6: Final answer
    x = 461,637,990.75

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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.