Home / 626,748,688.80-940,272,332.40-303,366,621.60

Finding the Fourth Proportional to 626,748,688.80, 940,272,332.40 and 303,366,621.60

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Solution

The fourth proportional to 626,748,688.80, 940,272,332.40 and 303,366,621.60 is: 455,122,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,748,688.80 : 940,272,332.40 = 303,366,621.60 : x
  2. Step 2: Convert to fraction form
    626,748,688.80/940,272,332.40 = 303,366,621.60/x
  3. Step 3: Cross multiply
    626,748,688.80x = 940,272,332.40 × 303,366,621.60
  4. Step 4: Simplify right side
    626,748,688.80x = 285,247,240,864,140,224
  5. Step 5: Solve for x
    x = 285,247,240,864,140,224/626,748,688.80
  6. Step 6: Final answer
    x = 455,122,198.04

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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.