Home / 502,022,189.40-753,033,284.10-178,789,421.40

Finding the Fourth Proportional to 502,022,189.40, 753,033,284.10 and 178,789,421.40

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Solution

The fourth proportional to 502,022,189.40, 753,033,284.10 and 178,789,421.40 is: 268,184,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,022,189.40 : 753,033,284.10 = 178,789,421.40 : x
  2. Step 2: Convert to fraction form
    502,022,189.40/753,033,284.10 = 178,789,421.40/x
  3. Step 3: Cross multiply
    502,022,189.40x = 753,033,284.10 × 178,789,421.40
  4. Step 4: Simplify right side
    502,022,189.40x = 134,634,385,159,180,832
  5. Step 5: Solve for x
    x = 134,634,385,159,180,832/502,022,189.40
  6. Step 6: Final answer
    x = 268,184,132.10

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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.