Home / 338,936,587.60-508,404,881.40-262,314,605.20

Finding the Fourth Proportional to 338,936,587.60, 508,404,881.40 and 262,314,605.20

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Solution

The fourth proportional to 338,936,587.60, 508,404,881.40 and 262,314,605.20 is: 393,471,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,936,587.60 : 508,404,881.40 = 262,314,605.20 : x
  2. Step 2: Convert to fraction form
    338,936,587.60/508,404,881.40 = 262,314,605.20/x
  3. Step 3: Cross multiply
    338,936,587.60x = 508,404,881.40 × 262,314,605.20
  4. Step 4: Simplify right side
    338,936,587.60x = 133,362,025,746,193,808
  5. Step 5: Solve for x
    x = 133,362,025,746,193,808/338,936,587.60
  6. Step 6: Final answer
    x = 393,471,907.80

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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.