Home / 440,303,520.60-660,455,280.90-181,385,465.40

Finding the Fourth Proportional to 440,303,520.60, 660,455,280.90 and 181,385,465.40

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Solution

The fourth proportional to 440,303,520.60, 660,455,280.90 and 181,385,465.40 is: 272,078,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,303,520.60 : 660,455,280.90 = 181,385,465.40 : x
  2. Step 2: Convert to fraction form
    440,303,520.60/660,455,280.90 = 181,385,465.40/x
  3. Step 3: Cross multiply
    440,303,520.60x = 660,455,280.90 × 181,385,465.40
  4. Step 4: Simplify right side
    440,303,520.60x = 119,796,988,501,934,224
  5. Step 5: Solve for x
    x = 119,796,988,501,934,224/440,303,520.60
  6. Step 6: Final answer
    x = 272,078,198.10

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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.