Home / 508,904,844.60-763,357,266.90-347,661,708.60

Finding the Fourth Proportional to 508,904,844.60, 763,357,266.90 and 347,661,708.60

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Solution

The fourth proportional to 508,904,844.60, 763,357,266.90 and 347,661,708.60 is: 521,492,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,904,844.60 : 763,357,266.90 = 347,661,708.60 : x
  2. Step 2: Convert to fraction form
    508,904,844.60/763,357,266.90 = 347,661,708.60/x
  3. Step 3: Cross multiply
    508,904,844.60x = 763,357,266.90 × 347,661,708.60
  4. Step 4: Simplify right side
    508,904,844.60x = 265,390,091,682,680,224
  5. Step 5: Solve for x
    x = 265,390,091,682,680,224/508,904,844.60
  6. Step 6: Final answer
    x = 521,492,562.90

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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.