Home / 638,074,019.40-957,111,029.10-546,241,014.60

Finding the Fourth Proportional to 638,074,019.40, 957,111,029.10 and 546,241,014.60

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Solution

The fourth proportional to 638,074,019.40, 957,111,029.10 and 546,241,014.60 is: 819,361,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,074,019.40 : 957,111,029.10 = 546,241,014.60 : x
  2. Step 2: Convert to fraction form
    638,074,019.40/957,111,029.10 = 546,241,014.60/x
  3. Step 3: Cross multiply
    638,074,019.40x = 957,111,029.10 × 546,241,014.60
  4. Step 4: Simplify right side
    638,074,019.40x = 522,813,299,620,434,176
  5. Step 5: Solve for x
    x = 522,813,299,620,434,176/638,074,019.40
  6. Step 6: Final answer
    x = 819,361,521.90

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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.