Home / 507,422,438.40-761,133,657.60-448,971,801.60

Finding the Fourth Proportional to 507,422,438.40, 761,133,657.60 and 448,971,801.60

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Solution

The fourth proportional to 507,422,438.40, 761,133,657.60 and 448,971,801.60 is: 673,457,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,422,438.40 : 761,133,657.60 = 448,971,801.60 : x
  2. Step 2: Convert to fraction form
    507,422,438.40/761,133,657.60 = 448,971,801.60/x
  3. Step 3: Cross multiply
    507,422,438.40x = 761,133,657.60 × 448,971,801.60
  4. Step 4: Simplify right side
    507,422,438.40x = 341,727,549,511,069,568
  5. Step 5: Solve for x
    x = 341,727,549,511,069,568/507,422,438.40
  6. Step 6: Final answer
    x = 673,457,702.40

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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.