Home / 260,480,007.40-390,720,011.10-245,616,442.60

Finding the Fourth Proportional to 260,480,007.40, 390,720,011.10 and 245,616,442.60

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Solution

The fourth proportional to 260,480,007.40, 390,720,011.10 and 245,616,442.60 is: 368,424,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,480,007.40 : 390,720,011.10 = 245,616,442.60 : x
  2. Step 2: Convert to fraction form
    260,480,007.40/390,720,011.10 = 245,616,442.60/x
  3. Step 3: Cross multiply
    260,480,007.40x = 390,720,011.10 × 245,616,442.60
  4. Step 4: Simplify right side
    260,480,007.40x = 95,967,259,179,014,512
  5. Step 5: Solve for x
    x = 95,967,259,179,014,512/260,480,007.40
  6. Step 6: Final answer
    x = 368,424,663.90

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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.