Home / 670,401,332.60-1,004,682,631.64-424,318,698.55

Finding the Fourth Proportional to 670,401,332.60, 1,004,682,631.64 and 424,318,698.55

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Solution

The fourth proportional to 670,401,332.60, 1,004,682,631.64 and 424,318,698.55 is: 635,896,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,401,332.60 : 1,004,682,631.64 = 424,318,698.55 : x
  2. Step 2: Convert to fraction form
    670,401,332.60/1,004,682,631.64 = 424,318,698.55/x
  3. Step 3: Cross multiply
    670,401,332.60x = 1,004,682,631.64 × 424,318,698.55
  4. Step 4: Simplify right side
    670,401,332.60x = 426,305,626,712,408,064
  5. Step 5: Solve for x
    x = 426,305,626,712,408,064/670,401,332.60
  6. Step 6: Final answer
    x = 635,896,150.54

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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.