Home / 746,688,001.20-1,120,032,001.80-488,698,983.60

Finding the Fourth Proportional to 746,688,001.20, 1,120,032,001.80 and 488,698,983.60

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Solution

The fourth proportional to 746,688,001.20, 1,120,032,001.80 and 488,698,983.60 is: 733,048,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,688,001.20 : 1,120,032,001.80 = 488,698,983.60 : x
  2. Step 2: Convert to fraction form
    746,688,001.20/1,120,032,001.80 = 488,698,983.60/x
  3. Step 3: Cross multiply
    746,688,001.20x = 1,120,032,001.80 × 488,698,983.60
  4. Step 4: Simplify right side
    746,688,001.20x = 547,358,500,879,133,376
  5. Step 5: Solve for x
    x = 547,358,500,879,133,376/746,688,001.20
  6. Step 6: Final answer
    x = 733,048,475.40

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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.