Home / 415,445,010.40-623,167,515.60-173,076,421.60

Finding the Fourth Proportional to 415,445,010.40, 623,167,515.60 and 173,076,421.60

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Solution

The fourth proportional to 415,445,010.40, 623,167,515.60 and 173,076,421.60 is: 259,614,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,445,010.40 : 623,167,515.60 = 173,076,421.60 : x
  2. Step 2: Convert to fraction form
    415,445,010.40/623,167,515.60 = 173,076,421.60/x
  3. Step 3: Cross multiply
    415,445,010.40x = 623,167,515.60 × 173,076,421.60
  4. Step 4: Simplify right side
    415,445,010.40x = 107,855,603,657,410,176
  5. Step 5: Solve for x
    x = 107,855,603,657,410,176/415,445,010.40
  6. Step 6: Final answer
    x = 259,614,632.40

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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.