Home / 700,544,014.65-1,050,816,021.98-442,901,417.85

Finding the Fourth Proportional to 700,544,014.65, 1,050,816,021.98 and 442,901,417.85

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Solution

The fourth proportional to 700,544,014.65, 1,050,816,021.98 and 442,901,417.85 is: 664,352,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,544,014.65 : 1,050,816,021.98 = 442,901,417.85 : x
  2. Step 2: Convert to fraction form
    700,544,014.65/1,050,816,021.98 = 442,901,417.85/x
  3. Step 3: Cross multiply
    700,544,014.65x = 1,050,816,021.98 × 442,901,417.85
  4. Step 4: Simplify right side
    700,544,014.65x = 465,407,906,032,224,320
  5. Step 5: Solve for x
    x = 465,407,906,032,224,320/700,544,014.65
  6. Step 6: Final answer
    x = 664,352,126.78

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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.