Home / 265,793,046.40-398,689,569.60-262,209,865.60

Finding the Fourth Proportional to 265,793,046.40, 398,689,569.60 and 262,209,865.60

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Solution

The fourth proportional to 265,793,046.40, 398,689,569.60 and 262,209,865.60 is: 393,314,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,793,046.40 : 398,689,569.60 = 262,209,865.60 : x
  2. Step 2: Convert to fraction form
    265,793,046.40/398,689,569.60 = 262,209,865.60/x
  3. Step 3: Cross multiply
    265,793,046.40x = 398,689,569.60 × 262,209,865.60
  4. Step 4: Simplify right side
    265,793,046.40x = 104,540,338,460,937,856
  5. Step 5: Solve for x
    x = 104,540,338,460,937,856/265,793,046.40
  6. Step 6: Final answer
    x = 393,314,798.40

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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.