Home / 746,420,579.80-1,030,265,277.90-433,255,685.72

Finding the Fourth Proportional to 746,420,579.80, 1,030,265,277.90 and 433,255,685.72

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Solution

The fourth proportional to 746,420,579.80, 1,030,265,277.90 and 433,255,685.72 is: 598,011,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,420,579.80 : 1,030,265,277.90 = 433,255,685.72 : x
  2. Step 2: Convert to fraction form
    746,420,579.80/1,030,265,277.90 = 433,255,685.72/x
  3. Step 3: Cross multiply
    746,420,579.80x = 1,030,265,277.90 × 433,255,685.72
  4. Step 4: Simplify right side
    746,420,579.80x = 446,368,289,450,070,912
  5. Step 5: Solve for x
    x = 446,368,289,450,070,912/746,420,579.80
  6. Step 6: Final answer
    x = 598,011,766.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.