Home / 490,096,368.60-735,144,552.90-487,226,587.20

Finding the Fourth Proportional to 490,096,368.60, 735,144,552.90 and 487,226,587.20

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Solution

The fourth proportional to 490,096,368.60, 735,144,552.90 and 487,226,587.20 is: 730,839,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,096,368.60 : 735,144,552.90 = 487,226,587.20 : x
  2. Step 2: Convert to fraction form
    490,096,368.60/735,144,552.90 = 487,226,587.20/x
  3. Step 3: Cross multiply
    490,096,368.60x = 735,144,552.90 × 487,226,587.20
  4. Step 4: Simplify right side
    490,096,368.60x = 358,181,971,608,136,832
  5. Step 5: Solve for x
    x = 358,181,971,608,136,832/490,096,368.60
  6. Step 6: Final answer
    x = 730,839,880.80

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1.5x scale

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.