Home / 490,096,258.60-735,144,387.90-487,226,477.20

Finding the Fourth Proportional to 490,096,258.60, 735,144,387.90 and 487,226,477.20

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Solution

The fourth proportional to 490,096,258.60, 735,144,387.90 and 487,226,477.20 is: 730,839,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,096,258.60 : 735,144,387.90 = 487,226,477.20 : x
  2. Step 2: Convert to fraction form
    490,096,258.60/735,144,387.90 = 487,226,477.20/x
  3. Step 3: Cross multiply
    490,096,258.60x = 735,144,387.90 × 487,226,477.20
  4. Step 4: Simplify right side
    490,096,258.60x = 358,181,810,349,867,264
  5. Step 5: Solve for x
    x = 358,181,810,349,867,264/490,096,258.60
  6. Step 6: Final answer
    x = 730,839,715.80

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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.