Home / 746,688,005.20-1,120,032,007.80-488,698,987.60

Finding the Fourth Proportional to 746,688,005.20, 1,120,032,007.80 and 488,698,987.60

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Solution

The fourth proportional to 746,688,005.20, 1,120,032,007.80 and 488,698,987.60 is: 733,048,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,688,005.20 : 1,120,032,007.80 = 488,698,987.60 : x
  2. Step 2: Convert to fraction form
    746,688,005.20/1,120,032,007.80 = 488,698,987.60/x
  3. Step 3: Cross multiply
    746,688,005.20x = 1,120,032,007.80 × 488,698,987.60
  4. Step 4: Simplify right side
    746,688,005.20x = 547,358,508,291,455,296
  5. Step 5: Solve for x
    x = 547,358,508,291,455,296/746,688,005.20
  6. Step 6: Final answer
    x = 733,048,481.40

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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.